VS
Name
—
SiO₂·nH₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5.5–6.5
Mohs hardness
—
1.9–2.3
Specific gravity
—
white
Streak
—
vitreous
Luster
—
None
Cleavage
—
—
Space group
—
Amorphous
Structural group
—
Opl · Grandfathered
IMA
—
0
Named in
—
White, Colorless, Black, Yellow, Orange, Red, Green, Blue, Pink, Brown, Gray
Typical colors
—
Si · O · H
Elements
—