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Columbia Co., Pennsylvania, USA

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Mascagnite : (NH4)2SO4

Centralia, Columbia Co., Pennsylvania, USA

Greyish white coating of Mascagnite on matrix from Centralia, Columbia Co., Pennsylvania. Deposition caused by the burning Anthracite coal within the mine (non-native). area of view aproximately 16 x 12mm. From the PA Annex of my personal collection, acquired in 2003.
 © M.HeintzelmanPhoto ID: 17640    View Count: 485

Salammoniac : NH4Cl

Centralia, Columbia Co., Pennsylvania, USA

Glassy sperules of Sal Ammoniac crystals and microcrystals of Sulfur on matrix. Specimen from Centralia, Columbia Co., Pennsylvania. Deposition caused by the burning Anthracite coal within the mine (non-native). area of view aproximately 4 x 3mm. From the PA Annex of my personal collection, acquired in 2003.
 © M.HeintzelmanPhoto ID: 17644    View Count: 477

Sulphur : S8

Centralia, Columbia Co., Pennsylvania, USA

Yellow micro-crystals of Sulfur on matrix from Centralia, Columbia Co., Pennsylvania. Deposition caused by the burning Anthracite coal within the mine (non-native). area of view aproximately 11 x 8mm. From the PA Annex of my personal collection, acquired in 2003.
 © M.HeintzelmanPhoto ID: 17645    View Count: 342
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