ML296 Brochantite/ Dolomite

Mineral

Code: ML296

名稱   水膽礬/ 白雲石Name   Brochantite/ Dolomite
化學公式   Cu4SO4(OH)6/ (CaMg)(CO3)2Chemical Formula   Cu4SO4(OH)6/ (CaMg)(CO3)2
莫氏硬度   3.5-4Mohs scale of Hardness   3.5-4
描述   鈣鈦礦和白雲石的顏色為白色，灰色，帶紅色的白色，棕白色，灰色，綠色，翡翠綠色，黑色。它的條紋是淺綠色和白色。黃銅礦和白雲石的光澤是玻璃質的。硬硼鋅礦和白雲石是脆性的，非常脆性斷裂，產生小的貝殼狀碎片。Description   The color of Brochantite and Dolomite is White, Gray, Reddish white, Brownish white, Gray, Green, Emerald green, Black. The streak of it is pale green and white. The luster of Brochantite and Dolomite is Vitreous. Brochantite and Dolomite is Brittle, very brittle fracture producing small, conchoidal fragments.
小挑戰   我們在哪裡可以找到這塊石頭？ 可以在美國亞利桑那州科科尼諾縣大峽谷的礦中找到這塊石頭。Challenge   Where can we find this stone? The stone can be found in Grand View Mine, Grand Canyon, Coconino County, Arizona, USA.

Reference

  1. http://webmineral.com/data/Brochantite.shtml
  2. http://webmineral.com/data/Dolomite.shtml

By 4A 31 Woo Tsz Hin on 16th April, 2021