Carpholite, Quartz (Var: Smoky Quartz)

Carpholite : Mn²⁺Al₂[(OH)₄|Si₂O₆], Quartz (Var: Smoky Quartz) : SiO₂

Locality: Glens Peak Prospects, Sawtooth Primitive Area, Glens Peak Area, Elmore Co., Idaho, USA

Hemispheres of straw-yellow carpholite "needles" (compact, radiating groups of acicular crystals) on a smoky quartz crystal; found near Glens Peak, Elmore County, Idaho. The mass of carpholite at upper right measures 1.5 cm across; the smoky quartz crystal measures 8.0 x 4.7 x 3.7 cm. overall. Self-collected.

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Carpholite, Quartz (Var: Smoky Quartz)

Carpholite : Mn2+Al2[(OH)4|Si2O6], Quartz (Var: Smoky Quartz) : SiO2

Carpholite : Mn²⁺Al₂[(OH)₄|Si₂O₆], Quartz (Var: Smoky Quartz) : SiO₂