Sulfides And Sulfosalts Flashcards
Ore of silver, but above 375°F(177C) turns to argentite(cubic)
Acanthite (mono)
Aka peacock ore, purple copper ore, variegated copper ore
Bornite
Alters readily to chalcocite
Bornite
Minor ore of copper, bright blue or indigo in color. Emits blue flame when heated
Covellite
Ore of lead, weathers to secondary lead minerals such as cerrusite, angkesite, pyromorphite
Galena
Arsenic ore, Occurs in low temp hydrothermal deposits, disintegrates when exposed to light turns into yellow powder
Realgar
Gives of garlic odor when heated, monoclinic
Orpiment
Nickel sulfide
Millerite
Antimony ore
Stibnite
Emits sparks when struck by Fe, aka fools gold
Pyrite
2 or more metals with sulfur and semimetal
Sulfosalts
Solid solution end member of tetrahedrite. A copper iron arsenic sulfosalt
Tennantite
Pseudo morph of luzonite, turns black on exposure to light and pollutants, low to med temp at hydrothermal dep
Enargite
Featherlike, lead iron Antimony sulfide
Jamesonite
Aka brittle or black silver ore in late stage hydrothermal veins
Stephanite