VS
Name
—
K(Na,K, )₉Ca₂Ba₆Mn²⁺₆Ti₆B₁₂Si₃₆O₁₁₄(O,OH,F)₁₁
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
6–6.5
Mohs hardness
—
3.29
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
{001}, distinct
Cleavage
—
P6/m
Space group
—
—
Structural group
—
Tsh · Approved
IMA
—
1967
Named in
—
Pistachio-green
Typical colors
—
K · Na · Ca · Ba · Mn · Ti · B · Si · O · H · F
Elements
—