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VS
N
Natroaphthitalite
Name
—
KNa₃(SO₄)₂
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Hexagonal
Crystal system
—
3
Mohs hardness
—
2.69
Specific gravity
—
White
Streak
—
Vitreous to waxy
Luster
—
Imperfect on {10*0}
Cleavage
—
P-3m1
Space group
—
Aphthitalite
Structural group
—
Natt · Approved
IMA
—
2018
Named in
—
Yellow to colorless
Typical colors
—
K · Na · S · O
Elements
—