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Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Ottawa, Gloucester Township, Carleton Co., Ontario, Canada Sample with 4x2,5x1cm - June of 2001 |
| © Martins da Pedra | Photo ID: 44028 View Count: 937 |
Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Ottawa, Gloucester Township, Carleton Co., Ontario, Canada Sample with 3x2x1,5cm - October of 2006 |
| © Martins da Pedra | Photo ID: 80252 View Count: 257 |
Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Ottawa, Gloucester Township, Carleton Co., Ontario, Canada Sample with 3x2x2cm - October of 2006 |
| © Martins da Pedra | Photo ID: 80251 View Count: 254 |
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Ottawa, Gloucester Township, Carleton Co., Ontario, Canada Sample with 3x2x2cm - October of 2006 |
| © Martins da Pedra | Photo ID: 81117 View Count: 211 |
Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Ottawa, Gloucester Township, Carleton Co., Ontario, Canada Sample with 3,5x2,5x2cm - October of 2006 |
| © Martins da Pedra | Photo ID: 81119 View Count: 203 |
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Dorado Mine, Casas Grandes, Chihuahua, Mexico Bytownite is a calcium rich member of the plagioclase solid solution series of feldspar minerals. It is usually defined as having "%An" between 70 and 90. Like others of the series, bytownite forms grey to white triclinic crystals commonly exhibiting the typical plagioclase twinning and associated fine striations. Bytownite occurs in gabbro ... |
| © Collectors Edge | Photo ID: 137401 View Count: 249 |
Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Mun. de Santiago Papasquiaro, Durango, Mexico A transparent 2.1 by 1.9 cms transparent mass. JSS specimen and photograph. |
| © 2007 JSS | Photo ID: 133377 View Count: 213 |
Anorthite (Var: Bytownite) : (Ca,Na)[Al(Al,Si)Si2O8] | |
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Mun. de Santiago Papasquiaro, Durango, Mexico A yellowish 2.5 by 2.0 mass. JSS specimen and photograph. |
| © 2007 JSS | Photo ID: 133378 View Count: 207 |
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