VS
Name
—
NaCa₄(Si₂₇Al₉)O₇₂·28H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Monoclinic
Crystal system
—
3.5–4
Mohs hardness
—
2.19
Specific gravity
—
White
Streak
—
Vitreous, pearly on cleavage
Luster
—
{010}, perfect
Cleavage
—
Fmmm
Space group
—
Stilbite
Structural group
—
Stb-Ca · Approved
IMA
—
1801
Named in
—
White, Pink, Orange, Brown, Yellow, Red
Typical colors
—
Na · Ca · Si · Al · O · H
Elements
—