RockVault
Alabandite

Image: <bdi><a href="https://www.wikidata.org/wiki/Q126871368" class="extiw" title="d:Q126871368"><span title="photographer from the United States">Darla Sondrol</span></a></bdi> (CC0)

cubicrareSulfides

Alabandite

MnS

This specimen displays alabandite as a black, fine-grained, and massive mineral, where individual crystals are not discernible. It is seen in association with pink rhodochrosite.

Alabandite Physical Properties

Mohs Hardness

3.5

Crystal System

cubic

Luster

vitreous

Streak Color

greenish-black

Cleavage

perfect cubic {100}

Fracture

conchoidal

Specific Gravity

4

Colors

black

Transparency

opaque

Type Locality

Arizona, USA

Mineral Group

Sulfides

Uses

collector, minor_manganese_ore

Associated Minerals

rhodochrosite

Rarity

rare

Geological Context

Alabandite is typically found in epithermal vein deposits, often associated with other manganese ores, indicating formation from hydrothermal fluids.