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ATHENA

MINERALOGY

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Mineral: ROWLANDITE-(Y)
Formula: Y4Fe2+(Si2O7)2F2
Crystal System: Amorphous
IMA Number: 1987 s.p.
References: CM 6 (1961), 576; HB2/2 (1995); EJM 38/3 (2026), 351
Type Locality: Barringer Hill, Blufton, Llano Co., Texas, USA

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