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VS
Erionite-Ca
Name
—
Ca₅[Si₂₆Al₁₀O₇₂]·30H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
2–3
Mohs hardness
—
—
Specific gravity
—
white
Streak
—
vitreous
Luster
—
—
Cleavage
—
P6_3/mmc
Space group
—
Erionite
Structural group
—
Eri-Ca · Approved
IMA
—
1967
Named in
—
White, Colorless, Pink, Gray
Typical colors
—
Ca · Si · Al · O · H
Elements
—