橄榄铜矿

{{Infobox mineral
| name = 橄榄铜矿
| category = 砷酸鹽礦物
| boxwidth =
| boxbgcolor =
| image = Mineraly.sk - olivenit.jpg
| imagesize = 260px
| alt =
| caption = 斯洛伐克地區產的橄榄铜矿
| formula = Cu2AsO4OH
| IMAsymbol = Oli
| molweight =
| strunz = 8.BB.30
| dana = 41.06.06.01
| system = 單斜晶系
| class = 棱柱形(2/m)
(H-M記號相同)
| symmetry = P21/n
| color = 橄欖綠至黃色或褐色、灰綠色、灰白色
| colour =
| habit = 纖維狀、球狀和腎狀或者顆粒狀、土狀、塊狀
| twinning = 常出現於{010}
| cleavage = {101}, {110}不明顯
| fracture = 貝殼狀斷口到參差斷口
| tenacity =
| mohs = 3
| luster = 金剛光澤到玻璃光澤，如果是纖維狀，則為珍珠光澤到絲絹光澤
| streak = 橄欖綠至褐色
| diaphaneity = 半透明致不透明
| gravity = 4.46
| density =
| polish =
| opticalprop = 雙軸(+/-)
| refractive = nα = 1.747 - 1.780 nβ = 1.788 - 1.820 nγ = 1.829 - 1.865
| birefringence = δ = 0.082 - 0.085
| pleochroism = 微弱，綠色和黃色
| 2V = 測量值：80°- 90°
計算值：46°- 84°
| dispersion = 強 r > v 或 r 。

参考資料