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Mineralpedia Details for Phenakite

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Phenakite

Phenakite

Formula
Be2SiO4 
Crystal System
Trigonal 
Crystal Habit
Massive - Fibrous, Granular 
Cleavage
Distinct, None, None 
Luster
Vitreous (Glassy) 
Color
colorless, wine yellow, yellow, pink, pinkish red 
Streak
white 
Class
Trigonal - Rhombohedral 
Fracture
Brittle - Conchoidal 
Hardness
7.5-8 
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Phenakite from Lord Hill pegmatite, Stoneham, Oxford Co., Maine, United States

Phenakite
            from Lord Hill pegmatite, Stoneham, Oxford Co., Maine, United States

Quartz matrix specimen with face totally covered by tiny 1mm and less colorless phenakite crystals.

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PHENAKITE from Mt. Antero, Chaffee Co., Colorado, United States

PHENAKITE
            from Mt. Antero, Chaffee Co., Colorado, United States

A small 7mm white crystal on a bit of matrix.

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Phenakite from Schuette's quarry, Nine Mile pluton, Wausaw complex, Marathin Co., Wisconsin, United States

Phenakite
            from Schuette's quarry, Nine Mile pluton, Wausaw complex, Marathin Co., Wisconsin, United States

Colorless micro crystals of Phenakite to 1mm and less on rusty stained Microcline crystal.

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