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.
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.
China is one of the major producers of turquoise. Turquoise is produced in Zhushan County, Yunxi County, Anhui Ma’anshan, Shaanxi Baihe, Xichuan, Henan, Hami, Xinjiang, Wulan, Qinghai and other places.
Garnet, called ziyawu or ziyawu in ancient China, is a group of minerals that have been used as gemstones and abrasives in the bronze age. The common garnet is red. Garnet English “garnet” comes from Latin “granatus” (grain), which may come from “Punica granatum” (pomegranate). It is a plant with red seeds, and its shape, size and color are similar to some garnet crystals.
Yellow sapphire is also known as topaz in business. A variety of yellow gem grade corundum. The color ranges from light yellow to canary yellow, golden yellow, honey yellow and light brown yellow, with golden yellow being the best. Yellow is generally associated with the presence of iron oxide.
Red Spinel has a ruby-like bright luxury red, it is also highly valued. She was wearing the robes of the pope of the Vatican, the Tsar of Russia, the son of Iran, and the crown of King of the British Empire.
Agate is a kind of chalcedony mineral, often mixed with opal and cryptocrystalline quartz banded block, hardness 6.5-7 degrees, specific gravity 2.65, color is quite hierarchical. Having translucency or opacity.
The distinguishing features of natural and Synthetic Green sapphires cut dark blue protolith to show the multidirectional color of green or blue-green on the front, then natural green sapphires can be formed.
Moonstone is a layered gemstone mineral of orthoclase and Albite. Moonstone is mainly produced in Sri Lanka, Myanmar, India, Brazil, Mexico and the European Alps, of which Sri Lanka produced the most precious.
Orange, the streak is colorless, transparent, glassy luster, hardness 9, specific gravity 4.016, {0001}, {10 ˉ 10} Cleavage. [1]