VS
Name
—
Ca₂Cu₉(AsO₄)₄(SO₄)₀.₅(OH)₉·9H₂O
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
2–2.5
Mohs hardness
—
3.22
Specific gravity
—
Light green
Streak
—
Pearly to silky
Luster
—
Perfect on {100}
Cleavage
—
C2/c
Space group
—
Tyrolite
Structural group
—
Tdn · Approved
IMA
—
2011
Named in
—
Emerald-green to dark green
Typical colors
—
Ca · Cu · As · O · S · H
Elements
—