VS
Name
—
NaCaYF₆
Formula
—
Mineral Species
Entry type
—
Halides
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
4.11–4.29
Specific gravity
—
White
Streak
—
Vitreous to dull
Luster
—
One direction, prismatic, distinct
Cleavage
—
P6_3/m
Space group
—
Gagarinite
Structural group
—
Gag-Y · Approved
IMA
—
1961
Named in
—
Pinkish or rosy, yellow, yellowish white or creamy, colorless; in transmitted light, colorless
Typical colors
—
Na · Ca · Y · F
Elements
—