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Apatite-(CaF) Gallery

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Apatite-(CaF) : Ca5[F|(PO4)3]

Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA

Fluorapatite: 9 mm pale gray hexagonal crystal in smoky quartz. Strongly fluorescent (yellow) under SW ultraviolet light. P. Cristofono specimen and photo. Field collected 1987.
 © 2004 Peter CristofonoPhoto ID: 18498    View Count: 319

Apatite-(CaF) : Ca5[F|(PO4)3]

Rollstone Hill Quarry, Fitchburg, Worcester Co., Massachusetts, USA

Left: Two gray fluorapatite crystals in white feldspar. Associated smoky quartz looks similar but is slightly browner. View is about 12 mm across. Right: The same fluorapatite fluoresces yellow in SW ultraviolet light. P. Cristofono specimen and photo. Field-collected 2005.
 © 2006 Peter CristofonoPhoto ID: 50914    View Count: 177
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