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
B
Name
—
NaNaMg(MgFe³⁺)(AsO₄)₃
Formula
—
Mineral Species
Entry type
—
Arsenates
Chemical class
—
Monoclinic
Crystal system
—
3.5
Mohs hardness
—
4.016
Specific gravity
—
White to pale greenish or pale yellowish
Streak
—
Vitreous
Luster
—
None
Cleavage
—
C2/c
Space group
—
Alluaudite
Structural group
—
Bdl · Approved
IMA
—
2016
Named in
—
Pale green to green, greenish gray to gray, bluish greenish, greenish yellow to bright yellow, honey-yellow
Typical colors
—
Na · Mg · Fe · As · O
Elements
—