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
Olgite
Name
—
(Ba,Sr)(Na,Sr,REE)₂Na(PO₄)₂
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Hexagonal
Crystal system
—
4.5
Mohs hardness
—
3.94
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
—
Cleavage
—
P-3m1
Space group
—
Aphthitalite
Structural group
—
Olg · Approved
IMA
—
1979
Named in
—
Bright blue or bluish green; colorless in transmitted light
Typical colors
—
Ba · Sr · Na · REE · P · O
Elements
—