Washington Co., Missouri, USA

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Apatite
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA Dark brown apatite crystal with pyramidal termination. Overall size of mineral specimen: 18x16x15 mm. Size of individual crystals: 18 mm.
© 2001 John H. Betts	Photo ID: 611 View Count: 557
Apatite-(CaF) : Ca₅[F\|(PO₄)₃], Calcite : CaCO₃
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA Fluorapatite and calcite crystals, obtained in 1993. Alan Goldstein specimen (8072) and photo.
© Alan Goldstein	Photo ID: 29697 View Count: 294
Apatite-(CaF) : Ca₅[F\|(PO₄)₃]
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA This is excellent for the species from this locality featuring a prismatic terminated brown semi-lustrous apatite crystal measuring 3.2 cm in height set nicely upon a matrix of crystallized apatite. Free standing and clean of damage. The specimen measures 4.4 x 3.6 x 2.1 cm in size overall. Ex Gene Tribbey collection #1455 with label and data ...
© Dan & Diana Weinrich Minerals	Photo ID: 242203 View Count: 15
Baryte : BaSO₄
	Palmer mines (Fourche-a-Cortois), Washington Co., Missouri, USA 13.2 x 8.7 x 5.4 cm. A historic, old-time and fine cabinet baryte specimen from Missouri. Two large, opposing rosettes of bladed baryte are sculpturally set on sturdy, mounded gossan matrix. The large rosette is 8.3 cm across. The piece is from the Palmer Mine of Washington County, southwest of St. Louis and in the old St. Joe or Missouri Lead ...
© Rob Lavinsky	Photo ID: 207528 View Count: 35
Calcite : CaCO₃, Pyrite : FeS₂
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA An iron oxide coated scalenohedron with a pyrite set on its termination.3cm X 2.5cm X 5cm
© Geoffrey Krasnov	Photo ID: 91182 View Count: 194
Calcite : CaCO₃, Pyrite : FeS₂, Hematite : Fe₂O₃
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA 21.4 x 17.4 x 5.4 cm. This large, showy specimen passed from the Armstrong collection to the collection of Ed David, before coming to us. It is a rich carpet of calcite crystals with a pretty salmon hue from an amount of iron or hematite inclusion. Decorating these calcites (to 7 cm, but most in the 2 cm range) is a sprinkling of shiny golden ...
© Rob Lavinsky	Photo ID: 158835 View Count: 93
Calcite : CaCO₃, Hematite : Fe₂O₃
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA 8.3 x 7.6 x 7.5 cm. This is a wonderful Pea Ridge calcite not only because it is nearly a floater of fine, freestanding crystals, but also because the crystals are richly included with hematite, giving them a "classic" looking tint. The crystals measure to over 5 cm, and are doubly-terminated. There is just a small crust of matrix on the back ...
© Rob Lavinsky	Photo ID: 118239 View Count: 92
Calcite : CaCO₃
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA Calcite, 6 cm. specimen with hematite, Pea Ridge Mine, Missouri. Kelly Nash specimen and photo.
	Photo ID: 181487 View Count: 84
Calcite : CaCO₃
	Viburnum No. 29 Mine, Viburnum Trend District, Washington Co., Missouri, USA 12.9 x 9.2 x 8.4 cm. This big specimen features three sharp calcite crystals, the largest measuring 13 cm in length, each with a phantom inside. There is a very slight ding at the tip of the largest crystal, but that is about it in terms of damage. Very impressive! Ex. Dave Stoudt Collection.
© Rob Lavinsky	Photo ID: 159395 View Count: 84
Calcite : CaCO₃, Hematite : Fe₂O₃, Chalcopyrite : CuFeS₂
	Pea Ridge Mine (Sullivan), Meramec State Park, Washington Co., Missouri, USA 7.3 x 5.3 x 5.3 cm. This specimen features a 5.5-cm calcite crystal canted at an angle, with little balls of hematite and crystals of chalcopyrite both on its surface and included just inside the surface of the crystal. The two minerals are sprinkled on the milky calcite matrix as well.
© Rob Lavinsky	Photo ID: 176263 View Count: 64