VS
Name
—
Ba₂Mn²⁺₄Ti₂(Si₂O₇)₂O₂(OH)₂F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
—
Mohs hardness
—
3.97–4.06
Specific gravity
—
Brownish yellow
Streak
—
Vitreous
Luster
—
Perfect on {100}; poor parting on f0klg
Cleavage
—
P2_1/m
Space group
—
Seidozerite-Bafertisite
Structural group
—
Hej · Approved
IMA
—
1989
Named in
—
Brownish or golden to yellow
Typical colors
—
Ba · Mn · Ti · Si · O · H · F
Elements
—