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Aragonite : CaCO3 | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Fibrous aragonite with minor amounts of serpentinite rock matrix, 6 cm long. S413-70 #1907# |
| © 2007, JGW | Photo ID: 137993 View Count: 132 |
Chrysotile : Mg3Si2O5(OH)4 | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA New Mexico Bureau of Mines and Mineral Resources specimen. Ex. Maxine L. (Mickey) Heyl (1926-1993) collection. Mickey was a scientific illustrator for the USGS. P. Cristofono photo. |
| © 2008 Peter Cristofono | Photo ID: 155044 View Count: 116 |
Diopside : CaMg[Si2O6] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA 1 cm crystal. S409-267 #1877# |
| © 2009, JGW | Photo ID: 260745 View Count: 9 |
Eastonite : KMg2Al[(OH)2|Al2Si2O10] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA The phyllosilicate Eastonite. Type locality specimen from the C. K. Williams & Co. Quarry, Chestnut Hill, Easton, Northampton Co., Pennsylvania. Specimen size: 7.5 x 6cm. From the PA Annex of my personal collection, acquired in 2003. |
| © M.Heintzelman | Photo ID: 14889 View Count: 1748 |
Eastonite : KMg2Al[(OH)2|Al2Si2O10] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Pale grey-green eastonite, with tremolite. S402-190 #1107# 10 cm field of view, vertical. |
| © 2008, JGW | Photo ID: 154446 View Count: 171 |
Eastonite : KMg2Al[(OH)2|Al2Si2O10] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Width of field is 7.0 mm. Collection of Jesse Crawford. The depth of field has been enhanced using Helicon Focus (13 exposures). Equipment: Nikon D-100 on a homemade microscope. |
| © 2008 Jesse Crawford | Photo ID: 174922 View Count: 114 |
Eastonite : KMg2Al[(OH)2|Al2Si2O10] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Dimensions: 3.5"x2.5"x2" Flaky green eastonite. |
| Photo ID: 246757 View Count: 29 | |
Molybdenite : MoS2 | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Specimen of massive Molybdenite in Serpentine with minor Eastonite from the C.K. Williams Quarry, Easton, Northampton Co., Pennsylvania. Specimen size: 9.5 x 6.5cm From the PA Annex of my personal collection, acquired in 2003. |
| © M.Heintzelman | Photo ID: 14940 View Count: 477 |
Serpentine Group : D2[Si2O5](OH)4 + or - nH2O, Tremolite : ☐[Ca2][Mg5][(OH)2|Si8O22] | |
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C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA 1 1/2" x 3/4" polished specimen showing white tremolite in serpentine. This is similar to the type of ornamental stone (verde antique) quarried here. |
| © Fred Schuster | Photo ID: 243973 View Count: 27 |
Thorogummite : (Th,U)[(OH)4x|(SiO4)1-x], Wölsendorfite : (Pb,Ca)U2O7·2H2O, Uraninite (Var: Thorian Uraninite) : (U,Th)O2 | |
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Sherrer Quarry, C.K. Williams & Co. Quarry (Williams Quarry), Chestnut Hill, Easton, Forks Township, Northampton Co., Pennsylvania, USA Originally identified as thorogummite altering from thorianite, but based on Montgomery's article in Am. Min. vol. 42 p. 804, this can be considered as a mixture of wolsendorfite (Frondel's Mineral C), dark brown resinous, and thorogummite, yellow resinous, as pseudomorphous replacments of a roughly cubic thorium-enriched uraninite crystal. ... |
| © 2007, JGW | Photo ID: 139337 View Count: 221 |
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