Phenakite
Introduction: In days gone by, Phenakite used to be mistaken for quartz, hence the Greek name phenax, meaning 'deceiver'. It is found in pegmatites often containing beryl.
Distribution: Klein Spitzkoppe pegmatites and the Erongo Mountain pegmatites.
Composition: Silicate
Crystal system: Hexagonal
Lustre: Vitreous
Streak: White
Hardness: 7.5-8
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