| Locality type: | Prospect |
| Classification |
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| Species: | Diopside |
| Formula: | CaMgSi2O6 |
| Formation: | Primary |
| Comments: | Granular to elongated crystals in spaces probably from the dissolution of calcite, associated with albite, graphite and titanite. |
| Habit: | elongated prismatic, square cross-sections |
| Colour: | light olive green to gray |
| Abundance at site: | Very common |
| Confirmation |
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| Validity: | Confirmed |
| Confirmation Methods: | Visually Identified |
| Associated Minerals Based on Photo Data: |
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| Graphite | 5 |
| Titanite | 3 |
| Albite | 2 |
| Actinolite | 1 |
| Data |
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| Mineral Data: | Click here to view Diopside data |
| Locality Data: | Click here to view Mine Mountain graphite prospect, Cornwall, Litchfield County, Connecticut, USA |
| Data Identifiers |
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| Mindat Occurrence Record ID: | 1442786 |
| Long-form Identifier: | 1:3:1442786:0 |
| GUID (UUID V4): | 0 |
| Nearest other occurrences of Diopside |
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| 0.2km (0.2 miles) | ⓘMine Mountain, Cornwall, Litchfield County, Connecticut, USA |
| 16.1km (10.0 miles) | ⓘRedwing Quarry, Falls Village, Canaan, Litchfield County, Connecticut, USA |
| 16.7km (10.4 miles) | ⓘConklin Limestone Company quarry (Falls Village Quarry), Falls Village, Canaan, Litchfield County, Connecticut, USA |
| 19.9km (12.4 miles) | ⓘPfizer Company Marble Quarry, Canaan, North Canaan, Litchfield County, Connecticut, USA |
| 21.1km (13.1 miles) | ⓘCanaan, North Canaan, Litchfield County, Connecticut, USA |
| 21.6km (13.4 miles) | ⓘMountain Top Trucking quarry, Torrington, Litchfield County, Connecticut, USA |
| 24.9km (15.5 miles) | ⓘPegmatite quarry and ultramafic rock, Harwinton, Litchfield County, Connecticut, USA |
| 27.4km (17.0 miles) | ⓘAdvance Stone Quarry, Boardman's Bridge, New Milford, Litchfield County, Connecticut, USA |
| 29.6km (18.4 miles) | ⓘThomaston Dam railroad cut, Thomaston Dam, Thomaston, Litchfield County, Connecticut, USA |
| 30.6km (19.0 miles) | ⓘState Routes 8 and 222 interchange, Thomaston, Litchfield County, Connecticut, USA |
| References |
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Mine Mountain graphite prospect, Cornwall, Litchfield County, Connecticut, USA