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VS
Lourenswalsite
Name
—
(K,Ba)₂Ti₄(Si,Al)₆O₁₄(OH)₁₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
3.17
Specific gravity
—
—
Streak
—
Pearly to dull
Luster
—
{001}, good
Cleavage
—
—
Space group
—
—
Structural group
—
Lrw · Approved
IMA
—
1987
Named in
—
Light brownish to silver-gray
Typical colors
—
K · Ba · Ti · Si · Al · O · H
Elements
—