Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA

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Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O, Chabazite
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA Bright blue cavansite crystals in radiating sprays resembling rosettes on matrix of transparent chabazite crystals. This specimen look stunning under magnification. Ex. R. D. O'Donnell collection #E75. Overall size of mineral specimen: 4x3x2.5 cm. Size of individual crystals: 1 mm.
© 2002 John H. Betts	Photo ID: 3316 View Count: 730
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O, Stilbite-Ca : NaCa₄[Al₉Si₂₇O₇₂] · nH₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA 6 x 5 cm specimen of basalt with a heavy coating of cavansite and stilbite. Cavansite was discovered in Oregon and this specimen comes from the co-type locality for this species. Most people today recognize the fabulous specimens of cavansite that occur from the Wagholi quarries in near Poona, India. Until they were discovered this was the ...
© 1995-2001 Trinity Mineral Co.	Photo ID: 1328 View Count: 702
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA SEM image of cavansite crystals from Owyhee Dam, Oregon, USA (TL)
© A. Godelitsas	Photo ID: 15301 View Count: 537
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O, Heulandite
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA Blue cavansite crystals mixed in with colorless heulandite crystals covering one side of matrix. Very clean. Type locality. Overall size of mineral specimen: 3x2x2 cm. Size of individual crystals: micro-.5 mm.
© 2001 John H. Betts	Photo ID: 527 View Count: 535
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O, Stilbite
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA This specimen is from the collection of Mr. Fred Devito. It was self collected back in the early 60's.
© The-Vug.com	Photo ID: 23001 View Count: 482
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA Picture width is 5mm. Nice Cavansite from the type locality.
© Elmar Lackner	Photo ID: 75004 View Count: 286
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA 7.5 x 4.5 x 2.5 cm. A very rare specimen from the type locality for cavansite. These significant specimens were found in the early 1960s and have not been found, so far as I know, in decades. An attractive plate of beautiful Cavansite crystals with Stilbite and possibly Heulandite. The Cavansites are either in small lustrous balls or in flat ...
© Rob Lavinsky	Photo ID: 118663 View Count: 213
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA 7.1 x 4.1 x 2.3 cm. A very rare specimen of original type locality cavansites, of which Charlie maintained a hoard of. Seldom seen for sale, this old material is hard to come by and is important for any collector of US minerals or zeolites. Ex. Charlie Key Collection.
© Rob Lavinsky	Photo ID: 131897 View Count: 183
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA 7.8 x 4 x 2.1 cm. Superb specimen of the TYPE LOCALITY Cavansites from the famous 1973 discoveries at Owyhee Dam. What make this specimen so exceptional are the COMPLETE sparkly balls of Cavansite that are the deepest turquoise blue that you can imagine. These balls, which are an amazing 1-2 mm across, are accented by the lovely ''morning glory'' ...
© Rob Lavinsky	Photo ID: 120798 View Count: 144
Cavansite : Ca(VO)Si₄O₁₀ · 4H₂O
	Owyhee Dam, Lake Owyhee State Park, Malheur Co., Oregon, USA 6.7 x 5.5 x 1.7 cm. A superb plate of the TYPE LOCALITY Cavansites from the famous 1973 discoveries at Owyhee Dam. What makes this specimen so exceptional are the COMPLETE sparkly balls of Cavansite that are the deepest turquoise blue that you can imagine. These balls, which are 1 mm across, are accented by the lovely “morning glory” radial ...
© Rob Lavinsky	Photo ID: 168113 View Count: 139
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