VS
Name
—
CoCu₄(SO₄)₂(OH)₆·6H₂O
Formula
—
Mineral Species
Entry type
—
Sulfates
Chemical class
—
Monoclinic
Crystal system
—
2.5
Mohs hardness
—
2.95
Specific gravity
—
White with a pale green tint
Streak
—
Vitreous, sometimes pearly
Luster
—
None
Cleavage
—
P2_1/c
Space group
—
Ktenasite
Structural group
—
Gob · Approved
IMA
—
2019
Named in
—
Pale green, bluish green, or grayish green
Typical colors
—
Co · Cu · S · O · H
Elements
—