Spinel: Mineral information, data and localities.

Spinel: Mineral information, data and localities.

SPINEL

Spinel R050259 - RRUFF Database: Raman, X-ray, Infrared, and Chemistry

Gem-A spotlights Demantoid, Spinel and Corundum in latest edition

Spinel Gem Guide and Properties Chart

Cuprospinel: Mineral information, data and localities.

Galaxite: Mineral information, data and localities.

Classification diagram for minerals of the spinel group in

Spinel: The mineral Spinel information and pictures

Large crystals of spinel from the Parker mine. (a). This

Spinel - Varieties,Formation,Sources,Properties,Test,Value

Spinel: Red and blue gems confused with ruby and sapphire