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
O
Name
—
Ca₂Ta₂O₇
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Cubic
Crystal system
—
5–5.5
Mohs hardness
—
6.333
Specific gravity
—
White
Streak
—
Vitreous to resinous
Luster
—
None
Cleavage
—
Fd-3m
Space group
—
Pyrochlore-microlite
Structural group
—
Ocmic · Approved
IMA
—
2020
Named in
—
Brownish yellow to brownish red
Typical colors
—
Ca · Ta · O
Elements
—