Uses Gemstones, carvings, mineral specimens. Physical Properties Vesuvianite is usually translucent and green, yellowish green, or brownish green in color. Rare specimens can be colorless, white, blue, pink, purple, violet, red, or black. Some crystals exhibit color zoning. Vesuvianite always has...
The name Kaewkosin (แก้วโกสินทร์) comes from Thailand and refers to the crystals of the Hindu deity Indra in the Thai language, alluding to the ancient belief that the stars were gemstones. The name was selected as part of the NameExoWorlds 2022 campaign. ...
The fact is, not all onyx stones are black. The onyx gemstone is a variety of chalcedony, which falls under the group of minerals calledquartz. The name onyx usually refers to chalcedony of alternate bands, usually white and black. Like quartz crystals, onyx is a hard rock, rated in the...