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Jasun D. McAvoy's Photo Gallery

YER-G9PHeulandite subgroup

Multiple photos available
02938950014946993259208.jpg
Metropolitan City of Turin, Piedmont, Italy

Dimensions: 2.3 cm x 2.04 cm x 2.03 cm

This specimen hosts a large, pristine crystal of heulandite in association with several smaller heulandite crystals prominently perched atop a small portion of matrix. The heulandite crystal has razor sharp faces and brilliantly glassy luster. The specimen retains an old affixed label (erroneous "stilbite") as well as a label from the A.E. Seaman Mineral Museum with L.L. Hubbard Collection (1849-1933) notation.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 604518     Uploaded by: Jasun D. McAvoy   View Count: 160   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

HPN-5PUCopper Cu

Multiple photos available
06227760014947263593621.jpg
Bisbee, Cochise County, Arizona, USA

Dimensions: 3.1 cm x 1.7 cm x 1 cm

This specimen consists of a sharply crystalline example of native copper. The copper crystals are arranged in an aesthetic, sculptural grouping and are mounted on an acrylic base (easily removed if so desired) for display. The native copper has a lively hue with sharp faces and well defined crystals. This specimen retains an old Herbert Obodda label as well.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 604514     Uploaded by: Jasun D. McAvoy   View Count: 117   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

TCL-HELClinochlore Mg5Al(AlSi3O10)(OH)8 , Clinochlore (Var: Pennine) Mg5Al(AlSi3O10)(OH)8

Multiple photos available
06667070014947263592632.jpg
Ossola Valley, Verbano-Cusio-Ossola Province, Piedmont, Italy

Dimensions: 3.7 cm x 1 cm x 2.7 cm

This specimen consists of a cluster of pristine, razor-sharp crystals of clinochlore var. pennine. The crystals are actually gemmy and in person posses the unique property of exhibiting deep dark chrome green color down the c-axis and brownish color through the prism faces. The crystals have a light coating of very tiny, microcrystals of what appear to be quartz. Some of the crystals also exhibit triangular zonations when viewed down the c-axis. There is also some white, glassy, fibrous-looking crystals in association. These white crystals are actually quite rigid and, upon close inspection exhibit features not unlike clinozoisite.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 604511     Uploaded by: Jasun D. McAvoy   View Count: 172   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

CMH-6UQBaryte BaSO4 , Quartz SiO2

Multiple photos available
07357040014947263594864.jpg
Cumbria, England, UK

Dimensions: 8.1 cm x 6.63 cm x 3.4 cm

This specimen consists of a quartz crystal coated matrix that hosts a dense cluster of lustrous golden barite crystals. The barite crystals are present as sharp, glassy blades with golden color and gemmy clarity. This specimen is quite striking and showy in person. This specimen retains a label from the A.E. Seaman Mineral Museum with John T. Reeder Collection notation.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 604507     Uploaded by: Jasun D. McAvoy   View Count: 142   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

7N2-8X0Axinite Group

Multiple photos available
07740480014947263597046.jpg
Le Bourg-d'Oisans, Isère, Auvergne-Rhône-Alpes, France

Dimensions: 3.1 cm x 2.6 cm x 1.1 cm

This specimen consists of a cluster of intergrown blades of axinite. The crystals are sharp and complete, with sharply defined faces and marked luster. The crystals have a coating of microcrystalline chlorite which gives the crystals a slightly velvety appearance in areas as well. The specimen is complete and in fantastic condition. This specimen retains a label from the A.E. Seaman Mineral Museum as well.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603268     Uploaded by: Jasun D. McAvoy   View Count: 153   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

HA0-LLRAntimony Sb

Multiple photos available
08295180014947263598048.jpg
Tepache, Cumpas Municipality, Sonora, Mexico

Dimensions: 4.45 cm x 4 cm x 3.76 cm

This specimen consists of a rich, solid mass of native antimony. There surfaces of the specimen exhibit tiny crystalline features upon close inspection and there are some microcrystals of unidentified species as well. This specimen retains an old label from the Dr. F.P. D'Esopo collection.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603265     Uploaded by: Jasun D. McAvoy   View Count: 206   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

RXX-YAJAnatase TiO2 , Brookite TiO2

Multiple photos available
04058450014947252078748.jpg
Maderanertal, Uri, Switzerland

Dimensions: 4.15 cm x 4.06 cm x 3.7 cm

This specimen consists of a matrix covered with tiny aduaria and quartz crystals that hosts a pair of anatase crystals in association with brookite. The main anatase crystal has a characteristic dipyramidal habit with sharp faces and pronounced iridescent luster. The brookite is present as complex, darkly colored, flat crystals with glassy luster. This specimen retains an old 19th century label from Dr. K. J. Bayer label as well.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603261     Uploaded by: Jasun D. McAvoy   View Count: 155   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

2KW-A1WSmithsonite ZnCO3

Multiple photos available
08776020014947263595393.jpg
Masua Mine, Masua, Iglesias, Carbonia-Iglesias Province, Sardinia, Italy

Dimensions: 4.9 cm x 2.85 cm x 2.1 cm

This specimen consists of a stout stalactitic, botryoidal group of cadmian smithsonite crystals that has been cut and polished to show off its characteristic concentric banding and varied yellow hues. These historic beauties date to the late 1800's and are usually only encountered in old museum collections. The smithsonite has marked translucence and has an attractive glow in person. There is a thin band of an unidentified brown mineral at the center as well as a small amount of an unidentified green mineral.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603258     Uploaded by: Jasun D. McAvoy   View Count: 205   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

C7U-MQNSilver Ag

Multiple photos available
09116130014947263595610.jpg
Chañarcillo, Copiapó Province, Atacama, Chile

Dimensions: 4.8 cm x 2.12 cm x 6.5 cm

This specimen consists of a complex, attractive cluster of herring-bone spinel-twin crystals of native silver in association with a small amount of quartz. The crystals are much more thick and chunky than they appear in the pics. The crystals have sharply defined features with bright, silvery metallic luster. It is my understanding that this specimen came off a larger specimen of major significance that recently changed hands. This specimen likely dates back well over 100 years.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603255     Uploaded by: Jasun D. McAvoy   View Count: 203   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)

65N-NVKQuartz SiO2 , Calcite CaCO3 , Pyrite FeS2

Multiple photos available
08253200014947759465682.jpg
San Antonio Mine, East Camp, Santa Eulalia Mining District, Aquiles Serdán Municipality, Chihuahua, Mexico

Dimensions: 9.63 cm x 6.6 cm x 2.5 cm

This specimen consists of numerous complex sprays of lively, red quartz crystals in association with scalenohedral calcite crystals. The quartz crystals are somewhat reminiscent of the famed hematite-included crystals from Dalnegorsk - however this beauty is a rare, oddity from Mexico. The quartz crystals show complex morphology with sparkly luster and marked translucence. The calcite crystals are sharp and have marked luster as well. This specimen retains an old label from the Trimmingham collection.
Copyright: © Jasun McAvoy www.mineralman.com      Photo ID: 603248     Uploaded by: Jasun D. McAvoy   View Count: 88   Approval status: Public galleries    Type: Photo - 432 x 324 pixels (0.1 Mpix)
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