Valentinite is an antimony oxide mineral with formula Sb2O3. Valentinite crystallizes in the orthorhombic system and typically forms as radiating clusters of euhedral crystals or as fibrous masses.Colour: Colourless, white, light gray, light yellow.
Malachite pseudomorph after Cuprite crystals / Chessy-les-Mines, Rhône-Alpes, France
Le parole sono pietre preziose: BARITE - Solfati (Sulphates)
Quartz var.Smoky Scepter on Muscovite - Galiléia, Doce Valley, Minas Gerais, Brazil Size: 25.4 x 12.7 x 10.2 cm
minerali e pietre - amazing-stones-minerals-16__700
Green Gyrolite with Apophyllite Mineral Friends <3