VS
Name
—
Na₆Na₂Ti₂Na₂Ti₂(Si₂O₇)₂(PO₄)₂O₄
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Triclinic
Crystal system
—
3–4
Mohs hardness
—
2.88–3.13
Specific gravity
—
Light rose-cinnamon
Streak
—
Vitreous to adamantine on cleavages, greasy on fractures
Luster
—
Perfect on {100}
Cleavage
—
P-1
Space group
—
Seidozerite-Murmanite
Structural group
—
Lom · Approved
IMA
—
1950
Named in
—
Cinnamon-brown, rose-violet, light yellow, black; dark brown in thin section
Typical colors
—
Na · Ti · Si · O · P
Elements
—