RockVault
Rhodonite

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

Rhodonite

MnSiO3

This specimen displays vibrant rose-pink to reddish-pink Rhodonite, often appearing massive, with characteristic black manganese oxide inclusions. It is associated with other minerals, including Willemite, as seen in the image.

Rhodonite Physical Properties

Mohs Hardness

6

Crystal System

triclinic

Luster

vitreous

Streak Color

white

Cleavage

perfect on {110} and {1-10}, good on {001}

Fracture

uneven

Specific Gravity

3.6

Colors

pink, rose-red, brownish-red

Transparency

translucent

Type Locality

Sterling Hill, Ogdensburg, Franklin Mining District, Sussex, New Jersey, USA

Mineral Group

silicates

Uses

jewelry, ornamental stone, collector

Associated Minerals

willemite, franklinite, zincite, calcite, garnet, quartz

Rarity

uncommon

Geological Context

Rhodonite typically forms in metamorphic environments, particularly in manganese-rich deposits, or as a product of metasomatism in manganese-bearing sediments. It is often found in skarns and hydrothermal veins.