Adamite (Cuprian)
Cuprian Adamite, additionally called Cuproadamite, is a variety that is green of containing some copper that was initially reported from Cap Garonne Mine, Pradet, Var, Provence-Alpes-Côte d’Azur, France. This copper gives Cuprian Adamite its distinct pale to dark color that is green. Adamite is one of the fluorescent minerals being best but Cuprian Adamite will not fluoresce because the copper kills the fluorescence. This is not a test that is foolproof some Adamites that contain little or no copper usually do not fluoresce either. Almost all other properties of Cuprian Adamite are identical to Adamite except typical color, fluorescence and density. Cuprian Adamite is an mineral that is intermediate Adamite and Olivinite. There is a red to variety that is purple of called Manganoan Adamite that is colored by its manganese content.
Circulation: In Australia at Broken Hill, Yancowinna County, New South Wales. In Chile at Veta Negra Mine, Pampa Larga district, Tierra Amarilla, Copiapó Province, Atacama Area. In China at Pinggui District, Hezhou Prefecture, Guangxi Zhuang Autonomous Region. In France at the Clara and Tistoulet Mines, Padern, Tuchan, Aude, Languedoc-Roussillon. In Greece at Lavrion District, Attikí (Attica; Attika) Prefecture. In Italy at the Vignola Mine, Vignola-Falesina, Valsugana, Trento Province, Trentino-Alto Adige. In Mexico at the Ojuela Mine, Mapimí, Mun. de Mapimí, Durango. In Namibia at the Tsumeb Mine, Tsumeb, Otjikoto Area. In Russia at Dal’negorsk, Kavalerovo Mining District, Primorskiy Kray, Far-Eastern Region. Within the USA at Mohawk Hill, Pactolus, Clark Mountain District, Clark Mts (Clark hill Range), San Bernardino County, California; San Rafael Mine, Quartz Mountain camp, Lodi District, Nye County, Nevada; and also at Gold Hill, Gold Hill District, Deep Creek Mts, Tooele County, Utah.
Chemical Formula: | (Zn,Cu)2AsO4OH |
Zinc Copper Arsenate Hydroxide | |
Crystal system: | Orthorhombic |
Color: | Bright green; faint tints of green in transmitted light. |
Transparency: | Transparent, Translucent |
Cleavage: | {101}, good; {010}, poor |
Tenacity: | Brittle |
Hardness: | 3.5 |
Specific gravity: | 4.32–4.48 |