Home > Term: cordierite
cordierite
An orthorhombic mineral, Mg2Al4Si5O18; Mohs hardness, 7 to 7.5; an accessory in peraluminous granite, schist, and gneiss; a gem material called saphir d'eau, water sapphire, dichroite, and iolite.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Mining
- Category: General mining; Mineral mining
- Government Agency: USBM
0
Kūrėjas
- ed.young
- 100% positive feedback
(Milwaukee, United States)