VS
Name
—
Ca₁₄Fe²⁺₉Si₂₄O₆₀(OH)₂₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
2
Mohs hardness
—
2.59
Specific gravity
—
—
Streak
—
Slightly pearly on flakes
Luster
—
—
Cleavage
—
P-1
Space group
—
Gyrolite
Structural group
—
Tgu · Approved
IMA
—
1966
Named in
—
Grass-green to greenish white, may have a grayish tint; in transmitted light, yellowish green
Typical colors
—
Ca · Fe · Si · O · H
Elements
—