VS
Name
—
(K,Ba,Sr)₂Sr₂Ca₂(Ca,Na)₄(Si,Al)₃₆O₇₂·30H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5
Mohs hardness
—
2.2
Specific gravity
—
[White.]
Streak
—
Vitreous
Luster
—
—
Cleavage
—
P6_3/mmc
Space group
—
—
Structural group
—
Blb · Approved
IMA
—
1990
Named in
—
Colorless to white; crystals zoned, with transparent ends and white sides
Typical colors
—
K · Ba · Sr · Ca · Na · Si · Al · O · H
Elements
—