RockVault
Clinohumite

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)

monoclinicuncommonSilicates

Clinohumite

Mg9(SiO4)4(F,OH)2

This image features a well-formed, yellowish-orange crystal of clinohumite, exhibiting a vitreous luster and good transparency. The crystal shows distinct faces and sharp edges, typical of a high-quality mineral specimen.

Clinohumite Physical Properties

Mohs Hardness

6

Crystal System

monoclinic

Luster

vitreous

Streak Color

white

Cleavage

poor on {001}

Fracture

conchoidal to uneven

Specific Gravity

3.2

Colors

yellow, orange, reddish-brown, brown

Transparency

transparent to translucent

Type Locality

Pein Pyit (Painpyit), Mogok, Sagaing District, Mandalay Division, Burma (Myanmar)

Mineral Group

Silicates

Uses

jewelry, collector

Associated Minerals

forsterite, diopside, spinel, phlogopite, calcite, dolomite, magnetite

Rarity

uncommon

Geological Context

Clinohumite forms primarily in metamorphosed dolomitic limestones and serpentinites, often under conditions of contact or regional metamorphism. It is a characteristic mineral of the humite group, indicating specific high-temperature, low-pressure metamorphic environments.