VS
Name
—
CaLa(Mn³⁺AlMn²⁺)(Si₂O₇)(SiO₄)O(OH)
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5.5–6
Mohs hardness
—
4.09
Specific gravity
—
Brown
Streak
—
Vitreous
Luster
—
None
Cleavage
—
P2_1/m
Space group
—
Epidote
Structural group
—
Mnak-La · Approved
IMA
—
2017
Named in
—
Dark brown
Typical colors
—
Ca · La · Mn · Al · Si · O · H
Elements
—