Niagara Co., New York, USA

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Calcite : CaCO₃
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA Calcite on dolomite, length of horizontal calcite crystal group is 3.5 cm. Doug Merson photo and collection, self collected.
© DM 06	Photo ID: 84194 View Count: 129
Calcite : CaCO₃
	Lockport, Niagara Co., New York, USA New York State Museum, specimen no. 20718. Ex- James Dobo collection. P. Cristofono photo.
© 2008 Peter Cristofono	Photo ID: 163802 View Count: 87
Calcite : CaCO₃, Dolomite : CaMg(CO₃)₂
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA A translucent yellowish grouping of two scalenohedral calcite crystals, the largest 1.6 cm in size, are set on a matrix of pearly colorless rhombohedral opaque crystals of dolomite to 0.6 cm. Size: 4.4 x 4.4 x 2.4 cm.
© Dan Weinrich, Inc.	Photo ID: 224891 View Count: 28
Celestine : SrSO₄
	Lockport, Niagara Co., New York, USA New York State Museum, specimen no. 22342. Ex- Philadelphia Academy of Sciences collection. P. Cristofono photo.
© 2008 Peter Cristofono	Photo ID: 163798 View Count: 83
Dolomite : CaMg(CO₃)₂
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA Very small rhomb of dolomite associated with sphalerite. Photo is about 2.1 mm in length. Photo and specimen: Steve Stuart.
© SMS 2008	Photo ID: 148874 View Count: 112
Fluorite : CaF₂
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA Fluorite cubes to 1.3 cm on edge, width of specimen 8 cm. Doug Merson photo and collection, self collected.
© DM 06	Photo ID: 84804 View Count: 132
Gypsum : Ca[SO₄] · 2H₂O
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA Large, internally flawless gypsum variety selenite crystal with a small yellow calcite crystal included on one end. Collected in 1967. Overall size of mineral specimen: 9x7x2 cm. Size of individual crystals: 7 cm.
© 2001 John H. Betts	Photo ID: 959 View Count: 531
Gypsum (Var: Selenite) : Ca[SO₄] · 2H₂O, Calcite : CaCO₃
	Lockport, Niagara Co., New York, USA New York State Museum, specimen no. 13036. Ex- Harry E. Maines collection. P. Cristofono photo.
© 2008 Peter Cristofono	Photo ID: 163801 View Count: 128
Gypsum (Var: Selenite) : Ca[SO₄] · 2H₂O, Calcite : CaCO₃
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA 10.0 x 8.0 x 2.5 cm. A striking, old-time cabinet specimen of sculptural, water-clear gypsum variety selenite cleavage enclosing dogtooth and pearl spar calcite crystals from a classic New York locality - Lockport in Niagara County. Ex. Mullane Collection and comes with an old Bradley’s label with a January, 1952 date.
© Rob Lavinsky	Photo ID: 245509 View Count: 13
Sphalerite : (Zn,Fe²⁺)S
	LaFarge Corp. Quarry (Frontier Quarry; Frontier Dolomite Products Quarry), Lockport, Niagara Co., New York, USA Clusters of yellow sphalerite crystals with dolomite on a 7 cm by 7 cm matrix. Cluster size is 4 - 5 mm. Doug Merson photo and collection, self collected.
© DM 06	Photo ID: 83960 View Count: 192