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Amethyst is a tripartite crystal system, the crystal is hexagonal columnar, the cylindrical surface is transverse, there are left shape and right shape, twin-crystal is very common. The hardness is 7. The crystal often contains irregular or winged gas-liquid inclusions. It is one of the most expensive members of the crystal family, because the water crystal contains Mn, Fe3+ and appears purple. Transparent, with obvious polychromatism observed under dichromatic mirror.
The ame...
Product Detail:
Amethyst is a tripartite crystal system, the crystal is hexagonal columnar, the cylindrical surface is transverse, there are left shape and right shape, twin-crystal is very common. The hardness is 7. The crystal often contains irregular or winged gas-liquid inclusions. It is one of the most expensive members of the crystal family, because the water crystal contains Mn, Fe3+ and appears purple. Transparent, with obvious polychromatism observed under dichromatic mirror.
The ame...
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Citrine varies in color from yellow to light brown and is easily confused with citrine. The yellow color in citrine is due to the presence of iron oxide in water. Natural citrine is scarce and produced in few places, with only Brazil and Madagascar producing high-quality Citrine in limited quantities. Amethyst and nicotinite are often heated to make them change color and look like citrine, or even fake citrine. Citrine has complete joints, citrine has no joints, and the lowest...
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The difference between Garnet and similar gem and synthetic garnet. Gemstones similar in colour to various garnets, including rubies, sapphires, artificial corundum, topaz, emeralds, Jadeite, etc. , are heterogeneous and can be distinguished by polarisation. It can be distinguished in density, inclusion, refractive index, dispersion and fluorescence. The difference between Garnet and Synthetic Green Garnet is mainly due to the internal inclusions and density. The synthesized G...
Product Detail:
Amethyst is a tripartite crystal system, the crystal is hexagonal columnar, the cylindrical surface is transverse, there are left shape and right shape, twin-crystal is very common. The hardness is 7. The crystal often contains irregular or winged gas-liquid inclusions. It is one of the most expensive members of the crystal family, because the water crystal contains Mn, Fe3+ and appears purple. Transparent, with obvious polychromatism observed under dichromatic mirror.
The ame...
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Cordierite is a silicate mineral, usually light blue or light purple, glassy luster, transparent to translucent. Cordierite also has the characteristic of being remarkably polychromatic (tricolor), emitting light of different colors in different directions. Cordierite is usually cut into traditional shapes, and the most popular color is blue-purple.
Cordierite is similar in color to sapphire, so it is also called water sapphire. Nicknamed the poor man’s sapphire because ...
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The difference between Garnet and similar gem and synthetic garnet. Gemstones similar in colour to various garnets, including rubies, sapphires, artificial corundum, topaz, emeralds, Jadeite, etc. , are heterogeneous and can be distinguished by polarisation. It can be distinguished in density, inclusion, refractive index, dispersion and fluorescence. The difference between Garnet and Synthetic Green Garnet is mainly due to the internal inclusions and density. The synthesized G...
Product Detail:
Amethyst is a tripartite crystal system, the crystal is hexagonal columnar, the cylindrical surface is transverse, there are left shape and right shape, twin-crystal is very common. The hardness is 7. The crystal often contains irregular or winged gas-liquid inclusions. It is one of the most expensive members of the crystal family, because the water crystal contains Mn, Fe3+ and appears purple. Transparent, with obvious polychromatism observed under dichromatic mirror.
The ame...
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TSAVORITE (TSAVORITE) chemical name is chrome vanadium calcium aluminum garnet, because contains trace amounts of chromium and vanadium, delicate Emerald Green, pleasing to the eye. Kenya’s Shafe National Park was discovered by geologist Campbell Brydges in the late 1960s. In 1967, he brought it to New York. In the early 1970s, American Jeweler Tiffany & AMP; Co. named the stone “Tsavorite”and introduced it to the world.
Safrite is a member of the colorful garnet family of...
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Aquamarine quality is evaluated from color, clarity, cut and weight. Pure color, no gray, no dichroism, thick and bright color of the highest value. Some aquamarine with directional inclusions can be processed into cat’s eye effect or starlight effect, and aquamarine with special optical effect is more expensive. Aquamarine with the same color, clarity and cut is more valuable if it weighs more.
Aquamarine is a beryllium, aluminum silicate, together with Wulan gemelline,...
Product Detail:
Cordierite is a silicate mineral, usually light blue or light purple, glassy luster, transparent to translucent. Cordierite also has the characteristic of being remarkably polychromatic (tricolor), emitting light of different colors in different directions. Cordierite is usually cut into traditional shapes, and the most popular color is blue-purple.
Cordierite is similar in color to sapphire, so it is also called water sapphire. Nicknamed the poor man’s sapphire because ...
Product Detail:
Amethyst is a tripartite crystal system, the crystal is hexagonal columnar, the cylindrical surface is transverse, there are left shape and right shape, twin-crystal is very common. The hardness is 7. The crystal often contains irregular or winged gas-liquid inclusions. It is one of the most expensive members of the crystal family, because the water crystal contains Mn, Fe3+ and appears purple. Transparent, with obvious polychromatism observed under dichromatic mirror.
The ame...