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Bill Baker Barr's Photo Gallery

RTV-35DGahnite : ZnAl2O4, Quartz : SiO2

Multiple photos available
Davis Pyrite Mine, Rowe, Franklin Co., Massachusetts, USA

Dimensions: 6.7 cm x 5.3 cm x 4.2 cm
Largest Crystal Size: 18 mm
Weight: 176.2 g

Lots of deep blue-green gahnite crystals in milky quartz from this old-school New England locality. Many of the crystals are broken, but a significant number, especially among the larger ones, show good faces with interesting striations. Acquired at the Jackson MI show from Dan & Shelley Lambert; ex Ted C. Johnson collection, East Hampton CT.
Copyright: © Bill Baker Barr, bilboburglar minerals      Photo ID: 826852     Uploaded by: Bill Baker Barr   View Count: 47   Approval status: Public galleries    Type: Photo - 2400 x 2403 pixels (5.8 Mpix)

2FT-EVQFluorite : CaF2

Multiple photos available
Stoneco Maumee Quarry, Maumee, Lucas Co., Ohio, USA

Dimensions: 6.3 cm x 6.2 cm x 4.7 cm
Largest Crystal Size: 6.3 cm
Weight: 275.7 g

A 2-1/2 inch cube of intensely yellow fluorite from a great old Ohio quarry that has been surrounded by businesses as the city grew up all around it. I only got to visit on a field trip once; nice celestines and sphalerites were found. From the collection of Pat Rutkowski, Taylor MI, Midwest Mineralogical & Lapidary Society.
Copyright: © Bill Baker Barr, bilboburglar minerals      Photo ID: 826850     Uploaded by: Bill Baker Barr   View Count: 30   Approval status: Public galleries    Type: Photo - 3000 x 2500 pixels (7.5 Mpix)

15W-JR1Pollucite : (Cs,Na)2(Al2Si4O12)·2H2O

Multiple photos available
Shengus, Haramosh Mts., Skardu District, Baltistan, Gilgit-Baltistan, Pakistan

Dimensions: 4.2 cm x 3 cm x 2.8 cm
Weight: 34.9 g

Broken piece of milky to clear Pollucite with some etched surfaces and VERY sharp fracture edges. Fluoresces medium blue under shortwave UV (254 nm).
Copyright: © Bill Baker Barr, bilboburglar minerals      Photo ID: 825812     Uploaded by: Bill Baker Barr   View Count: 45   Approval status: Public galleries    Type: Photo - 2400 x 2400 pixels (5.8 Mpix)

1UN-HRUFluorite : CaF2

Multiple photos available
Fourmile Creek Area, Fremont Co., Colorado, USA

Dimensions: 10.2 cm x 7 cm x 5.5 cm
Weight: 378 g

Hemispherical aggregates of translucent, plum-colored microcrystalline Fluorite on both sides of unidentified red matrix. Fluoresces bright green under shortwave UV (254 nm), dimmer green under midwave (312 nm), and medium blue under longwave (368 nm). Note white-fluorescing caliche crust in longwave closeup photo.
Photo ID: 825245     Uploaded by: Bill Baker Barr   View Count: 53   Approval status: Public galleries    Type: Photo - 3000 x 2275 pixels (6.8 Mpix)

13W-H0CQuartz : SiO2, Chalcedony (Var: Agate) : SiO2, Chalcedony (Var: Plume Agate) : SiO2

Richardson Ranch, Madras, Jefferson Co., Oregon, USA

Dimensions: 55 mm x 40 mm x 3 mm
Weight: 14.7 g

Polished slice of a thunder egg from the Priday Plume beds, showing the famous multicolor plumes. Acquired from Doris Snyder, polished by the late Roland Snyder of the Midwest Mineralogical & Lapidary Society. Imaged at 1200 dpi on an Epson Perfection V39 scanner.
Photo ID: 823118     Uploaded by: Bill Baker Barr   View Count: 37   Approval status: Public galleries    Type: Photo - 3000 x 2400 pixels (7.2 Mpix)
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