Minerals identify

Know how to recognize them

Dimorphite

Sulfide mineral

Dimorphite, chemical name tetraarsenic trisulfide (As4S3), is a very rare orange-yellow arsenic sulfide mineral. In nature, dimorphite forms primarily by deposition at temperatures of 70–80 °C (158–176 °F). Dimorphite was first discovered in such a fumarole near Naples, Italy in 1849 by the mineralologist Arcangelo Scacchi Since its discovery, dimorphite has been found in the Alacrán silver mine near Copiapó It has also been reported from Cerro de Pasco , and the Lavrion District Mines in Attica

Identification

Color of mineral

Orange
Yellow

Mohs scale ( mineral hardness )

1.5

The streak

Yellow

Luster ( interacts light )

Adamantine

Crystal ( diaphaneity )

Orthorhombic