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Lawsonite : CaAl2[(OH)2|Si2O7] · H2O | |
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Valley Ford, Sonoma Co., California, USA Lawsonite from Valley Ford, Sonoma County, California An old sample from a very uncommon locality that we must not confuse with the type locality (Tiburon Peninsula). Pink crystals are well developed on a Glaucophane matrix. The sample was collected by Scott J. Williams (Scottsdale, Arizona) in 1948 and it was purchased from him by Folch in ... |
| © fabreminerals.com | Photo ID: 56715 View Count: 405 |
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Valley Ford, Sonoma Co., California, USA 5.7 x 2.8 x 2.5 cm. Lawsonite is a relatively rare Calcium, Aluminum Silicate, and some of the finest specimens in the world are found in California. Although this piece is not from the type locality in Marin County, it is a good reference specimen featuring a few small, sharp, bladed crystals of white Lawsonite with associated grey Glaucophane. ... |
| © Rob Lavinsky | Photo ID: 257290 View Count: 11 |
Lawsonite : CaAl2[(OH)2|Si2O7] · H2O | |
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Valley Ford, Sonoma Co., California, USA dimension crystal mm. 0,7 |
| © luigi chiappino | Photo ID: 195060 View Count: 79 |
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Valley Ford, Sonoma Co., California, USA Colorless crystalline lawsonite to 0.6 cm in size are set upon this 4.1 x 3.9 x 3.0 cm matrix. Nice for this species. Ex Craig Zellers collection. |
| © Dan & Diana Weinrich Minerals | Photo ID: 267449 View Count: 9 |
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