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
D
Name
—
(Ca,   )₂Na₆Al₈Si₈O₃₂
Formula
—
Mineral Species
Entry type
—
Silicates
Chemical class
—
Hexagonal
Crystal system
—
5.5
Mohs hardness
—
2.597
Specific gravity
—
White
Streak
—
Vitreous to greasy
Luster
—
None
Cleavage
—
P6_3
Space group
—
Tridymite-Nepheline, Tridymite-Nepheline
Structural group
—
Dsm · Approved
IMA
—
2016
Named in
—
White; colorless to pale yellowish in transmitted light
Typical colors
—
Ca · Na · Al · Si · O
Elements
—