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Thetford Mines, Mégantic Co., Québec, Canada 19 x 18 x 15 mm. A complete floater. |
| © Joseph A. Freilich | Photo ID: 190993 View Count: 166 |
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Thetford Mines, Mégantic Co., Québec, Canada 2.7 x 2 x 1.3 cm. This is one of the fantastic new garnets written up in the What's New from Tucson report recently, by Tom Moore. It is an exquisite pair of highly modified Demantoid Garnets that mirror each other and grow around a small core of tiny Demantoids. The larger crystals are blue-green, partially gemmy, and highly lustrous. The color ... |
| © Rob Lavinsky | Photo ID: 258957 View Count: 11 |
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Bell Mine, Thetford Mines, Mégantic Co., Québec, Canada 9x7x3 cm |
| © willy | Photo ID: 132115 View Count: 257 |
Calcite : CaCO3, Diopside : CaMg[Si2O6] | |
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Beaver Mine, Thetford Mines, Mégantic Co., Québec, Canada 4cm x 3.5 cm specimen. This was collected October 2006 by Fred Schuster and is in his collection. The calcite was fluorescent yellow. Calcite was brown surrounded by diopside needles (white) Green mineral may be grossular but is not really identified. |
| © F Schuster | Photo ID: 89829 View Count: 160 |
Calcite : CaCO3 | |
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Beaver Mine, Thetford Mines, Mégantic Co., Québec, Canada This is the same diopside and calcite specimen magnified. The calcite is fluorescing yellow in short wave UV. The field of view is about 5mm x5mm. |
| © Fred Schuster | Photo ID: 89832 View Count: 113 |
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Beaver Mine, Thetford Mines, Mégantic Co., Québec, Canada 4cm x 3.5 cm specimen. This was collected October 2006 by Fred Schuster and is in his collection. The calcite was fluorescent yellow. Calcite was brown surrounded by diopside needles (white) Green mineral may be grossular but is not really identified. |
| Photo ID: 145935 View Count: 103 | |
Clinochrysotile : Mg3Si2O5(OH)4 | |
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Thetford Mines, Mégantic Co., Québec, Canada Three specimens of fibrous clinochrysotile asbestos. One specimen shows many veins running through rock. The other two specimens are elongated specimens of bundled fibers. The longest specimen is 25 cm long! Overall size of mineral specimen: 5-25 cm. Size of individual crystals: .2-25 cm. |
| © 2002 John H. Betts | Photo ID: 5814 View Count: 1045 |
Clinochrysotile : Mg3Si2O5(OH)4 | |
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Thetford Mines, Mégantic Co., Québec, Canada Classic specimen of parallel, fibrous crystals of dark green asbestos in old-style glass-topped display case for protection. Ex. Robert C. Linck (1905-1970). Overall size of mineral specimen: 8x6x3 cm. Size of individual crystals: 6 cm. |
| © 2003 John H. Betts | Photo ID: 9857 View Count: 451 |
Diopside : CaMg[Si2O6] | |
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Beaver Mine, Thetford Mines, Mégantic Co., Québec, Canada 2nd photo of the 4cm x 3.5 specimen of diopside and calcite. Here is a shot of the diopside needle xls. The field is 5mm x 5mm. |
| © Fred Schuster | Photo ID: 89830 View Count: 217 |
Diopside : CaMg[Si2O6] | |
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King Mine, Thetford Mines, Mégantic Co., Québec, Canada A specimen full of diopside needle like crytals. The piece is about 20" across. This is on display at the Thetford Mine Mining and Mineral Museum. |
| Photo ID: 240462 View Count: 28 | |
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