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Mineralpedia Details for Chalcanthite

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Chalcanthite

Chalcanthite

Formula
CuSO4ยท5H2
Crystal System
Triclinic 
Crystal Habit
Encrustations, Stalactitic, Reniform 
Cleavage
Imperfect, Indistinct, Indistinct 
Luster
Vitreous (Glassy) 
Color
green, green blue, light blue, dark blue 
Streak
white 
Class
Triclinic - Pinacoidal 
Fracture
Conchoidal 
Hardness
2.5 
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Chalcanthite from Graphic mine, Magdalena dist., Socorro Co., New Mexico, United States

Chalcanthite
            from Graphic mine, Magdalena dist., Socorro Co., New Mexico, United States

Seam of vivid blue crystalline Chalcanthite to 1cm wide.

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Chalcanthite from Majuba Hill mine, Pershing Co., Nevada, United States

Chalcanthite
            from Majuba Hill mine, Pershing Co., Nevada, United States

Bright blue, translucent Chalcanthite "growths" lining decayed rhyolitic seams.

Click thumbnail images for larger view.

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