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Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
P
Name
—
NaKCa₄[Si₉O₂₃]
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
6
Mohs hardness
—
2.7
Specific gravity
—
White
Streak
—
Vitreous to silky
Luster
—
Perfect parallel to elongation and imperfect at 96° to elongation
Cleavage
—
P-1
Space group
—
—
Structural group
—
Pty · Approved
IMA
—
2019
Named in
—
Colorless (lamellae), white to brownish white (aggregates)
Typical colors
—
Na · K · Ca · Si · O
Elements
—