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VS
D
Dachiardite-Ca
Name
—
Ca₂(Si₂₀Al₄)O₄₈·13H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
4–4.5
Mohs hardness
—
2.17–2.21
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
Perfect on {001}, {100}
Cleavage
—
C2/m
Space group
—
Dachiardite
Structural group
—
Dac-Ca · Approved
IMA
—
1906
Named in
—
Colorless
Typical colors
—
Ca · Si · Al · O · H
Elements
—