Colour : Light Green
Weight : 16.01 Cts
Dimension : 18.1 x 13.2 x 8.0 mm
Shape : Cushion
Treatment : Unheated
Clarity : SI
矽線石 ( 矽酸鋁 ) 🇱🇰
重量 : 16.01 卡拉
尺寸 : 18.1 x 13.2 x 8.0 mm
颜色 : 浅绿色
透明 : 好透明
治療:没有加熱
清晰度 : SI
Sillimanite is an aluminosilicate mineral with the chemical formula Al2SiO5. Sillimanite is named after the American chemist Benjamin Silliman (1779–1864). It was first described in 1824 for an occurrence in Chester, Middlesex County, Connecticut, US.
It is Orthorhombic crystal system mineral with 7 hardness according to Mohs hardness scale.
Mostly, It is found in colors such as colorless or white to grey, also brown, yellow, yellow-green, grey-green, blue-green and blue. Sometimes It has Sub Adamantine Luster.
It can be found in mainly Sri Lanka and Burma also, Japan, India, France, USA, Prutugal, Poland, Spain, Kenya.
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