Formula: Al6B5O15(F,OH)3
Origin of name: For P. Jeremejev, Russian mineralogist
Crystal system: Hexagonal
Crystal class: 6/m
Twinning:
Unit cell: a = 8.59 Ǻ, c = 8.22 Ǻ
Colour: Colourless to pale yellowish brown
Diaphaneity:
Luster: Vitreous
Habit: Crystals prismatic, elongated, hexagonal, to large size
Hardness: 7.5
Specific gravity: 3.29
Cleavage: None
Tenacity: Conchoidal
Streak:
Synonyms/varieties:
Comments: Other transliterations of the name include Eremeevite, Eremyeevite, and Yeremeyevite
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