M MineralystRock & Mineral Guide
Mineral

Witherite

Witherite — reference photo

Witherite is a mineral with the chemical formula BaCO3. It has a Mohs hardness of 3-3.5 and vitreous to pearly luster.

Witherite properties

TypeMineral
Chemical formulaBaCO3
Mohs hardness3-3.5
LusterVitreous to pearly
Typical colorsColorless, white, gray, yellow, or brown
FormationFormed in sedimentary environments, often associated with dolostone and limestone
Rarity6 / 10

Mohs hardness 3–3.5 — soft

1 · Talc5 · Apatite10 · Diamond
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