Green River Formation, Sweetwater Co., Wyoming, USA

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Loughlinite : Na₂Mg₃Si₆O₁₆·8H₂O
	Green River Formation, Sweetwater Co., Wyoming, USA dimension area mm. 8 x 8 photo and collection Luigi Chiappino
© luigi chiappino	Photo ID: 211846 View Count: 55
Loughlinite : Na₂Mg₃Si₆O₁₆·8H₂O
	Green River Formation, Sweetwater Co., Wyoming, USA Veins to 1 cm of silky Loughlinite in shale from the Green River formation, Sweetwater co. Wyoming, USA. Specimen and photo: Knut Eldjarn.
© Knut Eldjarn	Photo ID: 54903 View Count: 491
Loughlinite : Na₂Mg₃Si₆O₁₆·8H₂O
	Westvaco mine, Green River formation, Sweetwater Co., Wyoming, USA Asbestos-like crystals of Loughlinite (TL). Picture width is 10mm.
© Elmar Lackner 2009	Photo ID: 241639 View Count: 30
Searlesite : NaBSi₂O₅(OH)₂
	Westvaco mine, Green River formation, Sweetwater Co., Wyoming, USA 11.3 x 7.2 x 1.8 cm. This is a huge crystal for the species, showing an 8 cm-tall sub-termination leading up to the main termination above. These are giants for the species and it is an attractive specimen. It is coated in some edges by another white, powdery mineral species (perhaps norsethite but not yet tested). Ex. Smithsonian and Academy of ...
© Rob Lavinsky	Photo ID: 202041 View Count: 85
Shortite : Na₂Ca₂(CO₃)₃
	Green River Formation, Sweetwater Co., Wyoming, USA Colourless crystal of shortite. Picture size 6 mm. Photographer and collection Thomas Witzke.
© Thomas Witzke	Photo ID: 10327 View Count: 719
Shortite : Na₂Ca₂(CO₃)₃
	Westvaco mine, Green River formation, Sweetwater Co., Wyoming, USA Picture width is 5mm. Colorless crystal of Shortite (TL).
© Elmar Lackner	Photo ID: 75988 View Count: 244
Shortite : Na₂Ca₂(CO₃)₃
	Green River Formation, Sweetwater Co., Wyoming, USA ~3mm xl of Shortite.
© C. Stefano	Photo ID: 139516 View Count: 153
Shortite : Na₂Ca₂(CO₃)₃
	Green River Formation, Sweetwater Co., Wyoming, USA 7.5 x 6.5 x 3 cm. This is the TYPE LOCALITY for this rare sodium/calcium carbonate. This specimen is exceptionally rich with gemmy shortite crystals embedded in the sandstone, to 1 cm in size. This is rather large for the species. Ex. Philadelphia Academy of Sciences Collection.
© Rob Lavinsky	Photo ID: 199986 View Count: 67
Shortite : Na₂Ca₂(CO₃)₃
	Green River Formation, Sweetwater Co., Wyoming, USA 7 x 6 x 4 cm. This is the TYPE LOCALITY for this rare sodium/calcium carbonate. This specimen is exceptionally rich with gemmy shortite crystals embedded in the sandstone, to 1 cm in size. This is rather large for the species. Ex. Philadelphia Academy of Sciences Collection.
© Rob Lavinsky	Photo ID: 199988 View Count: 59
Shortite : Na₂Ca₂(CO₃)₃
	Green River Formation, Sweetwater Co., Wyoming, USA 12.3 x 7.3 x 7.1 cm. Shortite, a rare sodium/calcium carbonate, from the type locality in Wyoming. This specimen is exceptionally rich with gemmy shortite crystals embedded in the sandstone, to 1 cm in size. This is rather large for the species. Ex. Academy of Natural Sciences Philadelphia Collection.
© Rob Lavinsky	Photo ID: 202063 View Count: 49