ATHENA MINERALOGY |
Mineral: | BYTOWNITE (a variety of anorthite) |
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Formula: | (Ca,Na)[Al(Al,Si)Si2O8] |
Crystal System: | Anorthic (Triclinic) |
Group: | Feldspar group |
References: | HB2/1 (1995); L 11 (2020), 8 |
Type Locality: | Ottawa (Bytown), Ontario, Canada |
Comments: | A plagioclase feldspar; An70Ab30 to An90Ab10 |
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