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VS
Antofagastaite
Antofagastaite
Name
—
Na₂Ca(SO₄)₂·1.5H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
3
Mohs hardness
—
2.42
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
Distinct on (001) and a second direction visible in thin section
Cleavage
—
P2_1/m
Space group
—
Syngenite
Structural group
—
Atf · Approved
IMA
—
2018
Named in
—
Colorless
Typical colors
—
Na · Ca · S · O · H
Elements
—