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VS
T
Name
—
NaSr₂(Al₅Si₅)O₂₀·6-7H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Orthorhombic
Crystal system
—
5
Mohs hardness
—
2.47
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Perfect on {100} and good on {010}
Cleavage
—
Pcnn
Space group
—
Thomsonite
Structural group
—
Thm-Sr · Approved
IMA
—
2000
Named in
—
Colorless
Typical colors
—
Na · Sr · Al · Si · O · H
Elements
—