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Inesite

Image: <bdi><a href="https://www.wikidata.org/wiki/Q56247090" class="extiw" title="d:Q56247090"><span title="mineral collector and dealer">Robert M. Lavinsky</span></a></bdi> (CC BY-SA 3.0)

triclinicuncommonSilicates

Inesite

Ca₂Mn₇(Si₁₀O₂₈)(OH)₂·5H₂O

The image displays a specimen of inesite featuring radiating, bladed crystals with a distinct pink to orange-pink hue. The crystals form an attractive, fan-like aggregate.

Inesite Physical Properties

Mohs Hardness

5.5

Crystal System

triclinic

Luster

vitreous

Streak Color

white

Cleavage

perfect on {100}, good on {010}

Fracture

uneven

Specific Gravity

3.03

Colors

pink, reddish-pink, orange-pink, brownish-pink, white

Transparency

translucent

Type Locality

Daye County, Huangshi Prefecture, Hubei Province, China

Mineral Group

Silicates

Uses

collector

Associated Minerals

rhodonite, rhodochrosite, bustamite, calcite, quartz

Rarity

uncommon

Geological Context

Inesite is a hydrous calcium manganese silicate that typically forms in manganese-rich metamorphic or hydrothermal deposits. It is often found in association with other manganese minerals in low-temperature environments.