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VS
M
Magnesiorowlandite-(Y)
Name
—
Y₄(Mg,Fe)(Si₂O₇)₂F₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
—
Crystal system
—
5–5.5
Mohs hardness
—
4.82
Specific gravity
—
White
Streak
—
Vitreous to oily
Luster
—
None
Cleavage
—
—
Space group
—
Rowlandite
Structural group
—
Mrow-Y · Approved
IMA
—
2012
Named in
—
Gray to white
Typical colors
—
Y · Mg · Fe · Si · O · F
Elements
—