ATHENA MINERALOGY |
Mineral: | HYDROXYAPOPHYLLITE-(K) |
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Formula: | KCa4Si8O20(OH,F).8H2O |
Crystal System: | Quadradic (Tetragonal) |
Group: | Apophyllite group |
IMA Number: | 1978 s.p. |
References: | AM 63 (1978), 196; L 3 (1981), 5; HB2/1 (1995); MR 39/2 (2008), 131; EJM 25 (2013), 113-115; CM 57 (2019), 965; Phys. Chem. Min. 51 (2024), 3 |
Type Locality: | Ore Knob mine, Jefferson, Ashe Co., North Carolina, USA |
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