 | | Journal (article/letter/editorial) | | from the mine. The fluorite from the Strickland quarry, Figure 6. Fluorite with heulandite, 8.6 cm long...1 cm on edge. This fluorite is associated with albite, pyrite, goethite, and quartz. The Thomaston Dam...specimens from the Dolomite Products quarry (also labeled as Penfield quarry), Penfield, Monroe County. Fluorite...on edge totally enclosed in gypsum. The Walworth quarry, Walworth, Wayne County, has produced fine specimens...fluorite occurs as penetration twins. The Meckley quarry, Mandata, Northumberland County, Pennsylvania, |  | | Journal (article/letter/editorial) | | crystals from Vicente Marinho, Minas Gerais, Brazil, xenotime from an unknown locality in Brazil, and apatite...standards used were a rhyolite glass for Si and K; albite for Na; and a basalt glass for Ti, Al, Fe, Mg, |
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Vicente Marinho quarry, Mantena, Minas Gerais, Brazil