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VS
Tsepinite-Na
Name
—
(Na,H₃O,K,Sr,Ba,   )₂(Ti,Nb)₂(Si₄O₁₂)(OH,O)₂·3H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
5
Mohs hardness
—
2.74
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
None
Cleavage
—
Cm
Space group
—
Labuntsovite
Structural group
—
Tsp-Na · Approved
IMA
—
2000
Named in
—
Colorless to white and pale brown
Typical colors
—
Na · H · O · K · Sr · Ba · Ti · Nb · Si
Elements
—