Minerals by Crystal System · Rock of Science

Monoclinic

Three unequal axes, one pair not at right angles.

22 minerals in collection

Minerals of the Monoclinic system

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Yellow gemmy apatite crystals on dark matrix from Mexico with reflection.

Apatite (Fluorapatite)

Clear calcite crystal group standing on metallic gray arsenopyrite from Kosovo.

Arsenopyrite with Calcite and Quartz

Blue azurite and green malachite specimen from Mexico with reflection.

Azurite on Malachite after Azurite

Bright yellow carnotite crust on matrix from the USA with reflection.

Dark green clinoatacamite crystals on green quartz from Peru with reflection.

Clinoatacamite on Quartz

Golden brown colemanite crystal cluster from Turkey showing a mirror reflection.

Pale green datolite with golden chalcopyrite from Mexico showing reflection.

Datolite & Chalcopyrite

Olive green fluorapatite on white albite from Brazil with mirror reflection.

Fluorapatite on Albite

Light blue botryoidal gibbsite crust coating a dark brown matrix.

Elongated black hubnerite crystals on transparent quartz points with reflection.

Hübnerite on Quartz

Black prismatic ilvaite crystals on a colorless quartz cluster matrix.

Ilvaite on Quartz

Green malachite on beige dolomite from Argentina showing a mirror reflection.

Vibrant blue kinoite crystal coating on matrix from USA with reflection.

Blue krohnkite with green natrochalcite from Chile showing mirror reflection.

Krohnkite & Natrochalcite

Pink lilac kunzite crystal centered over a black reflective surface.

Yellow botryoidal mimetite crystal specimen from USA with mirror reflection.

Close macro view of rounded yellow campylite crystals on matrix.

Prismatic orange orpiment crystal cluster resting on a dark matrix.

Green botryoidal philipsburgite micro crystals on matrix showing mirror reflection.

Vertical view of blue green rosasite aggregate with mirror reflection.

Transparent yellow spodumene crystal from Afghanistan with mirror reflection.