The open encyclopedia of minerals
Mineralogist.org
Minerals A–ZSearchCollectionsBrowse by PropertyIdentify a SpecimenCompare MineralsLocalities MapGlossaryContribute Search the Database →

Compare Minerals

Put any two minerals side by side — formula, structure, hardness, density and more. Type to search each slot.

VS
L
Name
—
Ca₃(Si₁₂Al₆)O₃₆·18H₂O
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
4–4.5
Mohs hardness
—
2.09–2.16
Specific gravity
—
White
Streak
—
Vitreous
Luster
—
{1011}, indistinct
Cleavage
—
R-3m
Space group
—
Lévyne
Structural group
—
Lév-Ca · Approved
IMA
—
1825
Named in
—
Colorless, white; stained grayish, greenish, reddish, yellowish by impurities; colorless in thin section
Typical colors
—
Ca · Si · Al · O · H
Elements
—