ATHENA MINERALOGY |
Mineral: | FERROWINCHITE |
---|---|
Formula: | ▢(CaNa)Fe2+4(Al,Fe3+)Si8O22(OH)2 |
Crystal System: | Monoclinic |
Group: | Amphibole supergroup, with (OH,F,Cl) dominant. Na-Ca subgroup. Winchite group |
References: | AM 63 (1978), 1023; CM 35 (1997), 219 |
Comments: | ▢ = vacancy |
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