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Pentagonite : Ca(VO)Si4O10·4H2O, Stilbite-Ca : NaCa4[Al9Si27O72]·nH2O

Copyright © Rob Lavinsky & irocks.com
 
 
 
minID: 53M-HC6

Pentagonite : Ca(VO)Si4O10·4H2O, Stilbite-Ca : NaCa4[Al9Si27O72]·nH2O

Copyright © Rob Lavinsky & irocks.com  - This image is copyrighted. Unauthorized reproduction prohibited.
Dimensions: 7.4 cm x 6 cm x 3.6 cm

7.4 x 6.0 x 3.6 cm. A striking and beautiful, 1.6 cm tall pentagonite spray, notable for its geometry and accentuated by several longer blades (to 1.0 cm). The highly lustrous and translucent blades have gorgeous, royal-blue color. The aesthetic placement of the spray on the well-trimmed, vuggy, drusy stilbite-covered basalt matrix is outstanding.


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Photo added: 12th Dec 2005

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