VS
Name
—
NaCaCu₅(PO₄)₄Cl·5H₂O
Formula
—
Mineral Species
Entry type
—
Phosphates
Chemical class
—
Monoclinic
Crystal system
—
4
Mohs hardness
—
3.2
Specific gravity
—
—
Streak
—
Pearly on {010}
Luster
—
{010}, perfect; {100}, {001}, good
Cleavage
—
P2_1/n
Space group
—
—
Structural group
—
Smp · Grandfathered
IMA
—
1942
Named in
—
Light blue to blue-green; blue in transmitted light
Typical colors
—
Na · Ca · Cu · P · O · Cl · H
Elements
—