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Dos de Mayo Province, Huánuco Department, Peru

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

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

An exceedingly rich, rare locality specimen of apatite from this mine better known for fluorite and pyrite! 8 x 6.6 x 3.1 cm

 © Rob LavinskyPhoto ID: 40035    View Count: 312

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

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

A new find of apatite: doubly terminated straw colored crystal. 2 1/2 x 3/4 inches. Crystal-Odyssey specimen. gemcrystals@aol.com
 © Joseph A. FreilichPhoto ID: 74819    View Count: 179

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

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Double ending crystal
Size: 6,3 X 1,5 cm

Collection and photo: Arliguie M
 © ARLIGUIE MPhoto ID: 86493    View Count: 161

Apatite-(CaF) : Ca5[F|(PO4)3], Pyrite : FeS2, Quartz : SiO2

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Pale clear gray crystals of Fluorapatite on pyrite with small groups of Quartz. Speciman is 3cm across. Photographed by, and in the collection of Karl Volkman.
 © Karl VolkmanPhoto ID: 12333    View Count: 423

Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Calcite : CaCO3

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Arsenopyrite crystals some of which are growing on what used to be a pyrrhotite crystal. White calcite crystals are also growing on the specimen. Specimen is from the collection of Rock Currier. Scale at bottom of image is an inch with a rule at one cm.
Photo ID: 217849    View Count: 108

Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Arsenopyrite. A cluster of small crystals. Specimen is from the collection of Rock Currier. Scale at bottom of image is an inch with a rule at one cm.
Photo ID: 217850    View Count: 92

Arsenopyrite : FeAsS - (Fe0.90Co0.10)AsS, Pyrrhotite : Fe7S8, (-4M), also given as Fe1-xS (x = 0 - 0.2), Pyrite : FeS2

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Arsenopyrite ps. Pyrrhotite
6.2x 6.1x 3.1 cm

A very interesting pseudomorph of arsenopyrite after pyrrhotite. The arsenopyrite has totally replaced the hexagonal pyrhotite (to 3.1 cm), leaving in its place a network of reticulated crystals.
 © KhyberMineralsPhoto ID: 243258    View Count: 61

Multiple photos availableArsenopyrite : FeAsS - (Fe0.90Co0.10)AsS

Huanzala Mine, Huallanca District, Dos de Mayo Province, Huánuco Department, Peru

Sharp crystals of arsenopyrite to 2.2 cm in size are covering a 6.0 x 4.8 x 2.5 cm matrix. The crystals are very clean of damage overall. There is a thin iridescent coating on the crystals making for a very attractive example for this species.
 © Dan & Diana Weinrich MineralsPhoto ID: 267875    View Count: 11

Baryte : BaSO4

Dos de Mayo Province, Huánuco Department, Peru

Several nice, sharp, tabular, highly lustrous, gemmy, gray-blue color Barite crystal cluster measuring 2.0 cm on matrix. 4.8 x 4.3 x 2.0cm
 © Rob LavinskyPhoto ID: 57229    View Count: 233

Baryte : BaSO4

Dos de Mayo Province, Huánuco Department, Peru

Here is a attractive specimen from one of the new finds in Peru. It features a nice, sharp, tabular, highly lustrous, gemmy, grey-blue color Barite crystal cluster measuring 4.0 cm across on matrix. These Barite crystals are known from this locality for their amazing form and color. This is a great piece from this new find. A highly displayable ...
 © Rob LavinskyPhoto ID: 49147    View Count: 280
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