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
Brockite
Name
—
(Ca,Th,Ce)(PO₄)·H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Hexagonal
Crystal system
—
—
Mohs hardness
—
3.9
Specific gravity
—
—
Streak
—
Greasy to vitreous
Luster
—
—
Cleavage
—
P6_222
Space group
—
Rhabdophane
Structural group
—
Bck · Approved
IMA
—
1962
Named in
—
Pale yellow on thin edges; red-brown in reflected light, principally from included hematite
Typical colors
—
Ca · Th · Ce · P · O · H
Elements
—