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Paul L. Boyer's Photo Gallery

4DT-GK2Celestine SrSO4 , Quartz SiO2

04358950015346428431328.jpg
Muldraugh dome, Muldraugh, Meade Co., Kentucky, USA

Dimensions: 55 mm x 25 mm x 25 mm

Celestine crystals inside a vug of quartz. Photo by Eric Vandusen and used with his permission. Sample also obtained from him.
Photo ID: 904926     Uploaded by: Paul L. Boyer   View Count: 41   Approval status: Public galleries    Type: Photo - 720 x 960 pixels (0.7 Mpix)

9XT-L8NWulfenite Pb(MoO4)

07220370015112332183288.jpg
Pequea Silver Mine, Conestoga, Pequea Township, Lancaster Co., Pennsylvania, USA

Dimensions: 80 mm x 35 mm x 15 mm

Black wulfenite crystals in a dolostone matrix. Analysis was done by Dr. Stanley A. Mertzman from Franklin & Marshall College. Collect by Chris Haefner, who also took the photograph. Permission was granted for the photograph to be used.
Photo ID: 857125     Uploaded by: Paul L. Boyer   View Count: 19   Approval status: User gallery only    Type: Photo - 270 x 480 pixels (0.1 Mpix)

RN8-J8KCalcite CaCO3 , Dolomite CaMg(CO3)2

03462120015110472677168.jpg
Oak Hall Quarry, College Township, Centre Co., Pennsylvania, USA

Dimensions: 100 mm x 45 mm x 25 mm

Fluorite crystals are purple cubes at top center. Dolomite crystals are peach colored. Calcite crystals are clear.

Photograph taken by Chris Haefner, who also collected the sample.
Photo ID: 856098     Uploaded by: Paul L. Boyer   View Count: 22   Approval status: User gallery only    Type: Photo - 270 x 480 pixels (0.1 Mpix)

GWE-UUNOlivenite Cu2(AsO4)(OH) , Calcite (Var: Cobalt-bearing Calcite) (Ca,Co)CO3

05380530014946315394632.jpg
Kolwezi mining district, Lualaba, DR Congo

Dimensions: 58 mm x 48 mm x 27 mm
Weight: 81 g

Photo ID: 711619     Uploaded by: Paul L. Boyer   View Count: 141   Approval status: User gallery only    Type: Photo - 1600 x 1277 pixels (2.0 Mpix)
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