Category Archives: Gemstone Knowledge

Gemstone Knowledge Base

Characteristics and Variety of Crystal

Crystal was recognized as Water Fairy in ancient times, because people think the crystal comes from icy. The ancient Greek philosopher Aristotle also thinks the crystal was ice formed after long time changing. Modern science confirms that crystal and icy are totally different things. Crystal was actually particularly good silica crystallization (SiO2), bright transparent and with many beautiful colors, its hardness is 7, relative density is 2.65 and refractive index is 1.544 to 1.553, crystal has pyroelectricity and piezoelectricit and so it is widely used in industry other than jewelry.

Variety of crystal defined by color, the crystallization degree and its inclusion, mostly these crystals:

1. Rock Crystal: colorless transparent, no crack or inclusion crystal. Rock crystal widely used in jewelry, carve craft item, the famous between them is crystal ball. It is said there are god hidden in the crystal ball, when gazing the crystal ball, you can predict the future or see the distance. So most necromancer has his crystal ball.

When taking a piece of crystal at hand, you will have very cool feeling, so ancient emperors and dignitaries would like to put crystal balls at home, in hot summer days, these crystal balls can balls can help person cooling down. Till now, crystal ball still widely used in Japan, Korea and other Asian countries.

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2. Amethyst: purple and purple red colors crystal. In ancient legend, amethyst has magical power; it can bring a long and happy life to its wearer, can ward off bad luck and prevent the lovesickness. Amethyst widely used in rings, necklaces and all kinds cave craft items and other decoration. Amethyst is birthstone of February, represent honest and calm.

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3. Citrine: a kind of yellow crystal, normal colors including light yellow, yellow, gold yellow, brown yellow, orange yellow and so on, most of them with high transparency. Citrine is very rare in natural; most citrine jewelry sold in market was actually amethyst after heating, or synthetic yellow crystal, value similar to amethyst. It is said wearing citrine jewelry can help bringing treasure.

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4. Smoky crystal, tea crystal and black crystal: Those crystals are crystal series that brown color from light to deep; it is because of the carbon element which uniform distributed in the crystal. Those crystal mostly use for bracelet and necklace, or making eyeglass, but price won’t very high.

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Other crystals let’s continue next time.

Gemstone healing powers

According to folklore and stories throughout history, many gemstones are thought to offer mystic healing to its wearer. So whether shopping for a gift of fine jewelry, or considering a gift for yourself along the way, consider the healing properties of these fine gemstones. Birthday gemstones may not bake your cookies and wrap your gifts for you, but they will make you feel better while doing so.

Gemstone healing powers

amber

Amber – Thought to aid memory loss, purify the body, alleviate headaches, and bone and heart problems, Amber is known for its stress relieving and calming properties.

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Amethyst – Aids in the reduction of insomnia, arthritis, pain relief, and circulatory issues. Amethyst is considered the gemstone of meditation, peace, balance, courage, and inner strength.

Aquamarine

Aquamarine – Aids the liver, throat, stomach, jaw, teeth, eyes, and ears. Aquamarine is also known for releasing fear, calming nerves, and bringing mental clarity.

Citrine

Citrine – Considered the gemstone to provide greater or increased hearing, Citrine also promotes success, abundance, and clear thinking.

garnet

Garnet – Aids blood, heart, and lungs and is known to promote romantic love, passion, sensuality, and intimacy.

lapis

Lapis – Thought to aid in the alleviation of insomnia and depression, Lapis is also known for creating openness, truthfulness, and creativity.

Onyx

Onyx – Associated with the root chakra, Onyx brings spiritual inspiration, and control over emotions.

pearl

Pearl – Known for its calming properties, the Pearl is said to aid purity, charity, integrity, truth, and loyalty in its wearer.

Peridot

Peridot – Healing stress in relationships, lessening anger and jealousy, and slowing aging, the Peridot promotes abundance and prosperity.

ruby

Ruby – Aiding the emotions is the Ruby’s calling card. Also known to increase integrity, devotion, and happiness.

sapphire

Sapphire – The gemstone of creative expression and inner peace and meditation, the Sapphire also aids in personal expression and the alleviation of pain.

topaz

Topaz – One of the most powerful gemstones, Topaz facilitates the balance of emotions and provides protection from greed.

Turquoise

Turquoise – A gemstone steeped in lore and tradition, Turquoise is a healing and balancing stone.

Source of Amethyst

Amethyst widely distributed in nature, for making jewelry the amethyst mostly origins from below places:

Korea: South Korea has very charming purple amethyst, very beautiful. Many people love this kind of the color and luster; love the deep and noble temperament it brings. But sadly, its production getting dwindling recent years and also South Korea gives limitation for the export of Amethyst, and thus the Korea Amethyst becomes rare and prices soared.

Brazil: Brazil is one of the main sources of crystal, so no doubt it produces big quantity Amethyst. Although Brazil produces various different Amethysts, from deep to shallow, it output rare dark purple amethyst. A lot of Brazil amethysts were made to amethyst bracelet, amethyst necklace, amethyst earrings, amethyst ring and other jewelry, sell all over the world. Those amethyst jewelries are mid-priced, and to most buyers are acceptable.

Zambia: Zambia’s amethysts are mostly very small in size, but their color and luster are very good and with bright red color, you cannot feel any black color even you view the crystal from far away distance, and thus the price for those kind amethysts is more expensive.

Uruguay: Uruguay amethyst is recognized to be the best amethyst in tonal, its purple color is very deep and has lasting appeal, also Uruguay amethyst has beautiful wine red color with rich flame, its output is rare or we say almost stop production, so its price is very high. Uruguay amethyst is the top one shop treasure for some high-end jewelry store.

Madagascar: Madagascar is not mainly produce amethyst, its amethyst with many impurity and luster is not good enough, so Madagascar amethyst is low grade and not popular.

Amethyst sold in lqstock.com are mostly come from Brazil, its mid-line price helps most women satisfied their dreams to get their high energy and beautiful natural amethyst jewelries.

February Birthstone

Amethyst is birthstone for February.

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Amethyst composition is sio2, hardness is 7, specific gravity is 2.65, and refractive index is 1.54 to 1.55, has the dichroism. Viewing from different angles, amethyst shows purple tones of blue or red, usually cutting to facets. Natural output amethyst includes iron, manganese and other minerals, which forms beautiful purple colors, mainly light purple, purple red, scarlet, bright red, deep purple, blue purple and so on, amount all the color, deep purple red and bright red is most valuable. Natural amethyst often includes natural ice cracks or white clouds impurities. Amethyst widely distributed in nature, and the main origins are Brazil, Russia, South Africa, and Madagascar.

Amethyst is the gemstone believed by ancient Greeks and Romans to ward off the intoxicating powers of Bacchus. It is said that Bacchus were filled with anger because of arguing with moon goddess Diana, he sent his ferocious tiger to revenge. But accidentally he meet up the girl Amethyst who is going to meet Diana, in order to save the girl’s life from the ferocious tiger’s mouse, Diana turned the girl into a clean flawless crystal. Seeing the flawless crystal, Bacchus feel deeply regret, his repentant tears dripping onto the crystal figurines, dyed it to purple immediately.

Amethyst is “Guardian stone for love”, it can give lovers and couples deeply love, chastity, honesty and courage. Also amethyst is said to keep the wearer clear-headed and quick-witted. Throughout history, the gemstone has been associated with many myths, legends, religions, and numerous cultures. English regalia were even decorated with amethysts during the Middle Ages to symbolize royalty. It has been associated with many myths, legends, religions, and numerous cultures. Amethyst is purple quartz, a beautiful blend of violet and red that can found in every corner of the earth. Historically, the finest amethyst was found in Russia and was featured in much royal European jewelry. Today, while Brazil is the primary source of this gemstone, fine material can be found elsewhere, especially in Zambia.

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Garnet Quality Analysis

For healthy caring, the same gemstone power is almost same, only different between different sizes, the carat weight. But to learn more about its price, different stone will be huge differs in price; here are some factors that influence the value of garnet stone.

1. Varieties and colors

There are many varieties of garnet, their price differ a lot because of the difference of scarcity, so the scarcity is very important factor that influent garnet’s price.

Normally there are two colors garnet in the market, one is normal red, and the other is fuchsia, these garnet is cheaper consider to others, including pyrope, almandine and some spessartine; the other one is beautiful green garnet, mainly demantoid and tsavolite. Demantoid shows sparkling viridis, refractive up to 1.89, its high dispersion values 0.057 is twice of other garnet stones and higher than diamond, when processed into gems it shows sparkling fire, very attractive. Demantoid is very rear in nature, so its value is much higher than other garnet stones. And due to those facts, demantoid is always a very high grade gemstone loved by people, its value equal to high grade Sapphire. High grade demantoid’s price is even near to or higher than same color emerald. Orange spessartine, red pyrope and dark red almandine are Low-grade gems on the other hand.

But there are exceptions when the garnet stone is color changing, this kind garnet is very rear, value is higher than normal ones. Color changing garnet is named Malaya, it is mixed by pyrope and spessartine, shows green under sunshine, and shows red purple under incandescent light. Malaya mainly comes from Tanzania and Sri Lanka.

2. Transparency

The more transparent garnet value is higher. Containing inclusions will devalue the garnet’s price, but containing parallel tubular inclusions is exception. Garnet that contains tubular inclusions can be processed to cabochon and then shows four or six corners-star radiance, and is high valued.

3. Cutting

Cutting is an important factor to analysis price for all kind gems, semi-gems and zircon and all others, garnet is no exception

A. Type of cutting: there are two main cutting methods for gemstone, one is facet cutting and the other is cabochon cutting. High quality garnet stone mostly use facet cutting, and low quality garnet mostly use cabochon cutting.

B. Proportion and symmetry: both cutting should make sure correct proportion and symmetry. Except demantoid, other garnet’s dispersion all lower than diamond, but if cut into appropriate proportion and make sure good symmetry, it can also shows good fire. Demantoid has higher dispersion than diamond, if the cutting is perfect, it will shows very beautiful fire.

C. Polishing: polishing will affect gemstone’s luster, good silk polishing will make the gemstone more shinning, and thus price will be also higher.

4. Weight

Under same condition, the bigger size and heavy stone value is higher than small one.

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The home of the garnet

Pyrope mainly distributed in the ultrabasic rock and its residual slope wash placer, large gem grade pyrope is rare. The former Soviet union, Norway, Czech and China jiangsu have output. Magnesium iron garnet is mainly produced in the United States and Tanzania. Rhodolite comes from the Angle of mica schist and gneiss and other metamorphic rocks and sands, origin countries such as Sri Lanka, Brazil, Madagascar, India and so on. Grossular is the product of skarn, but also found in serpentinite and gabbro alteration, for instance, green grossular was found in Kenya, Pakistan, the former Soviet Union and China. Hessonite produced in Sri Lanka, spessartine produced in pegmatite but also found in some metamorphic rocks, high Gem grade spessartine comes from Burma, Sri Lanka, Brazil and other countries. Andradite is the product of schist and metamorphosed limestone, brown and green; green garnet and topazolite is produced in the serpentine. Dark garnet is produced in the alkaline igneous rock, there are output in former Soviet Union and Congo. Uvarovite were found in the former Soviet union and the United States.

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January Birthstone

Garnet is the gemstone that filled in flame, mostly we buy is red color and purple red. For thousands of years, garnet was considered  to be representative of belief, friendship, faithful and honest, and also a good luck charm. According to legend, garnet will help people improve personal relationships and protect the wearer from harm and disaster.

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Garnet has been used in jewelry for thousands of years. Garnet beads and inlaid jewelry were worn in ancient Egypt as early as 3100BC. The name “Garnet” comes from the Latin “granatum” meaning “pomegranate seed”, which the red crystals resemble.

The world of garnet is more colorful than we thought, thanks to the new finds in Africa. It is true to say that red is the color most frequently found in garnet, but this gemstone group occurs in many colors. Besides red, garnet can also be various shades of green, yellow, orange, brown, pink, or purple.

The following are some important members of the garnet group:

Pyrope – red

Rhodolite – purplish red, reddish purple, purple, pink

Spessartite (also spessartine) – orange, reddish orange, red-orange, orangy red

Mandarin Garnet – orange, yellowish orange, reddish orange

Demantoid – green, yellowish green

Tsavorite – bluish green, green, yellowish green

Hessonite – orange, brownish orange, brownish yellow

Mali Garnet – green, yellow

Color Change Garnet – fluorescent: blue, green, violet; incandescent: purplish red, red, purple

Malaia (also malaya) Garnet – orange, pinkish orange, reddish orange, brown, pink

garnet

Because of the variety of its colors, garnet is gemstone for every fashion trend. The classical color of this gemstone group is red, but the green of demantoid and tsavorite is highly esteemed. Also the orange of spessartite is much sought-after, and the pink or purple of rhodolite is amazing.

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What makes garnet so popular and always in high demand? Garnet appeals due to its natural beauty, magnificent brilliance, and excellent wearing quality. Garnet is rarely subjected to any treatment, and is ideal to work into jewelry. With the excellent hardness of 7 to 7.5 on the Mohs’ scale, garnet is suitable for everyday wear and is easy to care for.

Garnet represents friendship, and is a good luck charm. According to legend, garnet will help people improve personal relationships and protect the wearer from harm and disaster.

Today, garnet is found world wide, but some varieties are unique to certain areas only. Tsavorite and malaia (or malaya) garnet, for example are found only in East Africa (Kenya, Tanzania, and Madagascar).

Garnet is the birthstone for January and is the suggested gift for the 2nd anniversary.

What Gemstone is

Since ancient times, gemstones were believed to be the holy things, their beauty and colorful, glittering and translucent, hard and durability, and mysterious made people love it very much and also made themselves precious objects. Throughout history, gemstones have been seen as symbols of wealth and power. Gemstones have also been offered as prestigious gifts.

And now, with the improvement of people’s living standard, gemstone comes into normal families, and its special charm decorated with people’s life; it becomes a kind of elegant accessories. But within so many different jewelries in the market, how will you get the real and right gemstone for yourself or for your love ones? Here in blog.lqstock.com we will give you information about gemstone.

First of all, you need to know what a Gemstone is. Simply, you can image it is precious stone, but of cause, this is much too general.

Gemstones are generally minerals that are used for adornment or for jewelry. To be regarded as a gemstone, a mineral must be beautiful, rare, and durable-hard enough to withstand constant use or handling. There are more than three thousands natural minerals, but less than a hundred are commonly used as gemstones.

Here are some essential characteristics for gemstone:
1. Color is bright, equality, pure, can be a feast for the eyes;
2. Have higher hardness, generally above 7(individual gems which have peculiar optical phenomenon can have lower hardness, like pearl and Opal);
3. Have certain chemical stability and thermal stability;
4. Have certain size and weight, for instance, diamond no less than 0.25ct, high quality ruby and sapphire no less than 0.3ct (1ct=0.2g)
5. Can be very good processing, such as polishing and cutting;
6. Can be stably supply.

Most gemstones are mineral gems, and are found in rocks or in gem gravels. However, a few gems such as amber, pearl, coral, and ivory come from plants or animals. These gems are known as organic gems. Organic gems are not as durable as mineral gems; they are usually polished, carved, or drilled and threaded as beads.

In its natural state, a mineral gem is referred to as rough. Some natural crystals are attractive enough to be displayed as they are. Most are cut or faceted, and polished to show their best beauty. A simple cut for a stone is cabochon, a highly polished domed-shaped top, and a flat or rounded base. Cabochon stones are often seen in antique jewelry. Today most gemstones are cut to give them a number of flat surfaces, called facets. Faceting bring out the brilliance and sparkle of gemstones. Faceted gemstones show flashes of color and play of light within them.

Collecting Gemstones

Gemstones are not just for the wealthy. They can be appreciated by anyone. Today there are wide ranges of natural gemstones from all over the world available, from affordable stones to the more expensive stones. Anyone can collect a few stones that, even if not of high quality, are very attractive. Choose the stones that best for you and that fit your budget. Your gem collection will give you hours of fascination and enjoyment.