DIOPTASE CuSiO2(OH)2 (trigonal) Tsumeb,Namibia bright emerald-green crystals with rhombohedral terminations completely covering the 2 inch*2 inch infolded matrix,very appealing piece. 翠銅礦生成於銅礦區的氧化地帶，硬度５，亮麗的祖母綠色，透明至半透明， 華麗而壯觀的晶群，為收藏家的最愛！其結晶面和解理面和方解石類似∼is perfect in three directions forming rhombohedrons．常見與 dolomite, calcite, cerussite, limonite, chrysocolla and other copper minerals共生．
礦名來源：From the Greek, dia - "through" and optomai - "vision."

著名產地∼Tsumeb, Nambia; Zaire; Russia; California and Arizona, USA and Chile.

經典名礦欣賞 ．２．３．４．５
NO.9