VS
Name
—
Sb³⁺TaO₄
Formula
—
Mineral Species
Entry type
—
Oxides & Hydroxides
Chemical class
—
Orthorhombic
Crystal system
—
5.5
Mohs hardness
—
7.53
Specific gravity
—
Pale yellow to yellow-brown
Streak
—
Resinous to adamantine
Luster
—
{001}, distinct; {100} indistinct
Cleavage
—
Pbn2_1
Space group
—
—
Structural group
—
Sttl · Grandfathered
IMA
—
1893
Named in
—
Dark brown to light yellowish brown; reddish yellow, reddish brown, greenish yellow; in transmitted light
Typical colors
—
Sb · Ta · O
Elements
—