Accueil > Term: pinguite
pinguite
A former name for nontronite, a monoclinic mineral, Na0.33Fe3+ 2(Si,Al)4O10(OH)2.nH2O ; smectite group; expansive, a swelling clay; earthy; occurs in vesicles and veins in weathered basalt and as an alteration product of volcanic glass.
- Partie du discours : noun
- Secteur d’activité/Domaine : Mines
- Catégorie : Exploitation minière; Mineral mining
- Government Agency: USBM
0
Créateur
- ed.young
- 100% positive feedback
(Milwaukee, United States)