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Aquamarine
Aquamarine Lat. Aqua marina, water of the sea is a gemstone-quality transparent variety of beryl, having a delicate blue or turquoise color, suggestive of the tint of seawater. It`s closely related to the gem emerald. Colors vary and yellow beryl, called heliodor; rose pink beryl, morganite; and white beryl, goshenite are known.Aquamarine is a beryl with a hexagonal crystal structure and a chemical formula of Be3Al2Si6O18, a beryllium aluminium silicate mineral. It has a specific gravity of 2. 68 to 2. 74 and a Mohs hardness of from 7. 5 to 8. Aquamarine typically is on the low end of the specific gravity range, normally at less than 2. 7. The pink variety exhibits a high specific gravity of around 2. 8. Refractive indices range around 1. 57 to 1. 58.It occurs at most localities which yield ordinary beryl, some of the finest coming from Russia. The gem-gravel placer deposits of Sri Lanka contain aquamarine. Clear yellow beryl, such as occurs in Brazil, is sometimes called aquamarine chrysolite. When corundum presents the bluish tint of typical aquamarine, it is often termed Oriental aquamarine.We have Badakhshan & Chitral Pakistan based Mines
Aquamarine Lat. Aqua marina, water of the sea is a gemstone-quality transparent variety of beryl, having a delicate blue or turquoise color, suggestive of the tint of seawater. It`s closely related to
The name Lapis Lazuli comes from the Persian word lazhward meaning blue, in allusion to its color. In ancient times, lapis lazuli was known as sapphirus, which is the name that we use today for the bl
The name Lapis Lazuli comes from the Persian word lazhward meaning blue, in allusion to its color. In ancient times, lapis lazuli was known as sapphirus, which is the name that we use today for the bl
We Deal in Lapis Lazuli direct from Badakhshan AfghanistanWe have more than 6000 KG of Madan Quality available (10% Sami Precious)Calcite 10-20%Pyrite 10-15%Rate US $85 per Kgs Ex FOB Peshawar
We Deal in Lapis Lazuli direct from Badakhshan AfghanistanWe have more than 8000 KG of Jandaque Quality availableCalcite 25-35%Pyrite 30-40%Rate US $30 per Kgs Ex FOB Peshawar
Ruby is a red gemstone. Rubies can vary from a light pink to a blood red, a variety of the mineral corundum (aluminium oxide) . The color is caused mainly by chromium. Its name comes from ruber, Latin
Ruby is a red gemstone. Rubies can vary from a light pink to a blood red, a variety of the mineral corundum (aluminium oxide) . The color is caused mainly by chromium. Its name comes from ruber, Latin
The tourmaline mineral group is chemically one of the most complicated groups of silicate minerals. It is a complex silicate of aluminium and boron, but because of isomorphous replacement (solid solut
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