RockVault
Barite

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orthorhombiccommonSulfates

Barite

BaSO4

This specimen features a glassy, translucent white barite crystal, approximately 5 cm tall, partially coated with red-brown limonite. It is prominently displayed on a dark galena matrix.

Barite Physical Properties

Mohs Hardness

3

Crystal System

orthorhombic

Luster

vitreous

Streak Color

white

Cleavage

perfect on {001}, good on {210} and {110}

Fracture

uneven

Specific Gravity

4.5

Colors

white, colorless, yellow, blue, brown, red, gray

Transparency

transparent

Type Locality

Missouri, USA

Mineral Group

Sulfates

Uses

drilling mud, medical imaging, pigments, filler

Associated Minerals

galena, limonite

Rarity

common

Geological Context

Barite commonly forms in low-temperature hydrothermal veins, often as a gangue mineral in lead-zinc ore deposits, and can also occur in sedimentary rocks as concretions or bedded deposits.