The open encyclopedia of minerals
GlossaryCite the database
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
Trolleite
Trolleite
Name
—
Al₄(PO₄)₃(OH)₃
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
8.5
Mohs hardness
—
3.1
Specific gravity
—
—
Streak
—
Vitreous
Luster
—
In two directions, indistinct
Cleavage
—
I2/c
Space group
—
—
Structural group
—
Tll · Grandfathered
IMA
—
1868
Named in
—
Pale green to bright blue
Typical colors
—
Al · P · O · H
Elements
—