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Apophyllite | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA Rosette formation of colorless apophyllite crystals with greenish chlorite inclusions. The apophyllite crystals are flattened, tabular crystals with beveled edges and complex corner faces. This famous quarry has been closed to collecting for many years. Overall size of mineral specimen: 34x30x20 mm. Size of individual crystals: 10-25 mm. |
| © 2002 John H. Betts | Photo ID: 6985 View Count: 422 |
Apophyllite, Datolite : CaB[OH|SiO4] | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 4" wide cluster of creamy bladed apophyllite on pale green frosted datolite. |
| © Paul Gilmore | Photo ID: 119029 View Count: 129 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 1 1/2" group of fairly lustrous black babingtonite associated with pale green prehnite. |
| © Paul Gilmore | Photo ID: 104697 View Count: 213 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 2" wide group of black babingtonite and green prehnite. All of these groups were loosely attached to a calcite matrix, which I didn't realize before washing them off. |
| © Paul Gilmore | Photo ID: 105489 View Count: 131 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA Black babingtonite crystal (1/2") on green prehnite group. |
| © Paul Gilmore | Photo ID: 104843 View Count: 163 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Calcite : CaCO3 | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA Babingtonite (5 mm, black) with calcite. Photograph by Peter Cristofono. |
| © 2004 Peter Cristofono | Photo ID: 25275 View Count: 408 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 2.5" group of lustrous black babingtonite and pale green prehnite. |
| © Paul Gilmore | Photo ID: 104844 View Count: 160 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 1.25" group of lustrous black babingtonite and frosted green prehnite. |
| © Paul Gilmore | Photo ID: 104851 View Count: 134 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 1.25" group of black babingtonite with green prehnite |
| © Paul Gilmore | Photo ID: 104850 View Count: 114 |
Babingtonite : Ca2(Fe,Mn)FeSi5O14(OH), Prehnite : Ca2Al2Si3O12(OH) | |
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Roncari quarry (Tilcon quarry), East Granby, Hartford Co., Connecticut, USA 1 3/4" wide group of black babingtonite and green prehnite. |
| © Paul Gilmore | Photo ID: 105490 View Count: 110 |
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