Compare Minerals
Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.
Name
—
(Ba,Ca,K)₅(Si₂₇Al₉)O₇₂·22H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
2.35
Specific gravity
—
White
Streak
—
Vitreous, pearly on {010} cleavage surfaces
Luster
—
Perfect on {010}
Cleavage
—
C2/m
Space group
—
Heulandite
Structural group
—
Hul-Ba · Approved
IMA
—
2003
Named in
—
Colorless to white, pale yellowish white or beige
Typical colors
—
Ba · Ca · K · Si · Al · O · H
Elements
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