Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
(Y,REE,Ca,Na)₁₅(Al,Fe³⁺)CaₓAs³⁺₁₋ₓ(Si,As⁵⁺)Si₆B₃(O,F)₄₈
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5–6
Mohs hardness
—
4.2
Specific gravity
—
White
Streak
—
Vitreous to adamantine
Luster
—
None
Cleavage
—
R3m
Space group
—
Okanoganite
Structural group
—
Hhm-Y · Approved
IMA
—
2006
Named in
—
Pale reddish to grayish brown, grayish yellow to gray; colorless in thin section
Typical colors
—
Y · REE · Ca · Na · Al · Fe · As · Si · B · O · F
Elements
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