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Peter Cristofono's Photo Gallery

TY3-29JBeryl (Var: Goshenite) : Be3Al2(Si6O18), Fluorapatite : Ca5(PO4)3F

Barrus farm pegmatite localities, Goshen, Hampshire Co., Massachusetts, USA

Field of View: 22 mm

Nearly colorless goshenite associated with colorless to pale greenish fluorapatite and blue-black tourmaline. The fluorapatite is easily distinguishable from the goshenite by its strong yellowish fluorescence under shortwave UV light.
Copyright: © 2018 Peter Cristofono      Photo ID: 904692     Uploaded by: Peter Cristofono   View Count: 15   Approval status: Public galleries    Type: Photo - 4272 x 2529 pixels (10.8 Mpix)

YPF-TY2Quartz (Var: Smoky Quartz) : SiO2

Gulch locality, Ossipee, Carroll Co., New Hampshire, USA

Largest Crystal Size: 5.5 cm

5.5 cm smoky quartz crystal on matrix. Personally collected on August 25, 2018.
Copyright: © 2018 Peter Cristofono      Photo ID: 901955     Uploaded by: Peter Cristofono   View Count: 16   Approval status: Public galleries    Type: Photo - 1719 x 2181 pixels (3.7 Mpix)

7NA-YG6Hydrozincite : Zn5(CO3)2(OH)6

Madison Lead Mine, Madison, Carroll Co., New Hampshire, USA

Dimensions: 6.5 cm x 6.0 cm x 3.5 cm

White coating of hydrozincite on sphalerite-bearing rock (left) exhibits strong blue-white fluorescence under shortwave UV light (right).
Copyright: © 2018 Peter Cristofono      Photo ID: 899797     Uploaded by: Peter Cristofono   View Count: 12   Approval status: Public galleries    Type: Photo - 5603 x 2256 pixels (12.6 Mpix)

K88-5MXFluorapatite : Ca5(PO4)3F

Ham and Weeks Mine, Wakefield, Carroll Co., New Hampshire, USA

Dimensions: 3.0 cm x 4.0 cm x 3.0 cm

Gray fluorapatite found on the dumps (left) fluoresces bright yellow under shortwave UV (right). Collected July 8. 2018, on an Maine Mineralogical and Geological Society field trip.
Copyright: © 2018 Peter Cristofono      Photo ID: 898962     Uploaded by: Peter Cristofono   View Count: 18   Approval status: Public galleries    Type: Photo - 3297 x 2193 pixels (7.2 Mpix)

EK4-87MAlmandine : Fe2+3Al2(SiO4)3

Ham and Weeks Mine, Wakefield, Carroll Co., New Hampshire, USA

Field of View: 7.3 mm

Almandine crystal embedded in quartz. Field collected July 8, 2018.
Copyright: © 2018 Peter Cristofono      Photo ID: 898592     Uploaded by: Peter Cristofono   View Count: 13   Approval status: Public galleries    Type: Photo - 1403 x 1539 pixels (2.2 Mpix)

Q62-Q1MQuartz : SiO2

Beauregard Mine, Alstead, Cheshire Co., New Hampshire, USA

Field of View: 5.0 mm

Small cavities in albite are not uncommon at this site, but this is the first time I've seen a quartz crystal in one.
Copyright: © 2018 Peter Cristofono      Photo ID: 897427     Uploaded by: Peter Cristofono   View Count: 61   Approval status: Public galleries    Type: Photo - 1901 x 1393 pixels (2.6 Mpix)

39K-3V3Analcime : Na(AlSi2O6)·H2O

Acushnet Quarry, Acushnet, Bristol Co., Massachusetts, USA

Field of View: 3.0 mm

Colorless analcime crystals in white calcite. From a calcite-filled vesicle in an altered diabase (?) dike. Field collected June 23, 2018.
Copyright: © 2018 Peter Cristofono      Photo ID: 896695     Uploaded by: Peter Cristofono   View Count: 19   Approval status: Public galleries    Type: Photo - 1805 x 1316 pixels (2.4 Mpix)

PXT-JF3Strunzite : Mn2+Fe3+2(PO4)2(OH)2·6H2O

Fitzgibbons Mine, Alstead, Cheshire Co., New Hampshire, USA

Field of View: 11.1 mm

Straw-colored sprays of strunzite on quartz. Field of view is 11.1 mm.
Copyright: © 2018 Peter Cristofono      Photo ID: 896500     Uploaded by: Peter Cristofono   View Count: 24   Approval status: Public galleries    Type: Photo - 4272 x 2848 pixels (12.2 Mpix)

URC-0EVRutile : TiO2, Calcite : CaCO3

Acushnet Quarry, Acushnet, Bristol Co., Massachusetts, USA

Field of View: 11.1 mm

Golden-brown rutile needles and minor green chlorite as inclusions in a calcite rhomb. Field of view is 11.1 mm across.
Copyright: © 2018 Peter Cristofono      Photo ID: 896499     Uploaded by: Peter Cristofono   View Count: 21   Approval status: Public galleries    Type: Photo - 4200 x 2435 pixels (10.2 Mpix)

XR8-UE1K Feldspar (Var: Adularia) : KAlSi3O8

Acushnet Quarry, Acushnet, Bristol Co., Massachusetts, USA

Field of View: 14.0 mm

Adularia crystals without the coating of chlorite often seen at this locality. Field collected in 2018.
Copyright: © 2018 Peter Cristofono      Photo ID: 896468     Uploaded by: Peter Cristofono   View Count: 15   Approval status: Public galleries    Type: Photo - 2884 x 2606 pixels (7.5 Mpix)
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