RockVault
Babingtonite

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)

triclinicuncommonInosilicates

Babingtonite

Ca2Fe2+Fe3+Si5O14(OH)

Babingtonite typically forms dark, often lustrous, prismatic to tabular crystals, usually black or very dark green. In the image, it appears as sharp, black crystals contrasting with lighter green prehnite.

Babingtonite Physical Properties

Mohs Hardness

5.5

Crystal System

triclinic

Luster

vitreous

Streak Color

greenish-gray

Cleavage

good on {001} and {100}

Fracture

uneven

Specific Gravity

3.35

Colors

black, dark green, brownish-black

Transparency

translucent

Type Locality

Qiaojia, Qiaojia County, Zhaotong, Yunnan, China

Mineral Group

Inosilicates

Uses

collector, scientific

Associated Minerals

prehnite, quartz, epidote, calcite, zeolites

Rarity

uncommon

Geological Context

This mineral commonly occurs in cavities within igneous rocks such as granite, diorite, and basalt, and can also be found in contact metamorphic zones or hydrothermal veins. It is often associated with late-stage mineralization.