Locality type: | Quarry |
Classification |
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Species: | Almandine |
Formula: | Fe32+Al2(SiO4)3 |
Comments: | Crystals can reach over 2.5 cm on an edge. Unpublished XRF analysis by Harold Moritz found 98% Fe of total Fe+Mn content. Hiller (1983) noted that some gem quality garnets will show 4-star rays if properly cut. |
Habit: | dodecahedral |
Colour: | maroon to purple, nearly black |
Luminescent properties: | none |
Quality for species: | Excellent - world class for species or very significant. (!!) |
Abundance at site: | Extremely common |
Confirmation |
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Validity: | Believed Valid |
Associated Minerals: |
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Associates: | Muscovite Staurolite
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Associated Minerals Based on Photo Data: |
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Staurolite | ⓘ24 photos of Almandine associated with Staurolite at this locality. |
Tourmaline | ⓘ3 photos of Almandine associated with Tourmaline at this locality. |
Clinochlore | ⓘ2 photos of Almandine associated with Clinochlore at this locality. |
Data |
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Mineral Data: | Click here to view Almandine data |
Locality Data: | Click here to view Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA |
Photo Gallery | View Gallery (79 photos) |
Data Identifiers |
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Mindat Occurrence Record ID: | 13548 |
Long-form Identifier: | 1:3:13548:5 |
GUID (UUID V4): | fdeb43b2-1722-4ddc-918e-51eadc766948 |
Nearest other occurrences of Almandine |
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2.7km (1.7 miles) | ⓘSachem Road area, Southbury, New Haven County, Connecticut, USA |
3.9km (2.4 miles) | ⓘRocky Mountain Road garnet prospect, Roxbury, Litchfield County, Connecticut, USA |
5.2km (3.2 miles) | ⓘIlmenite locality, Bridgewater, Litchfield County, Connecticut, USA |
6.9km (4.3 miles) | ⓘRoxbury Granite Quarry (upper quarry), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
7.7km (4.8 miles) | ⓘRockside Quarry (Mine Hill Quarry), Mine Hill (Ore Hill), Roxbury, Litchfield County, Connecticut, USA |
9.9km (6.1 miles) | ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA |
11.1km (6.9 miles) | ⓘNonnewaug River Industrial Park, Woodbury, Litchfield County, Connecticut, USA |
12.4km (7.7 miles) | ⓘCurtis Quarry (Southford Quarry; Southford pegmatite; Southbury rose quartz quarry; Bridgeport Woodfinishing Co. Quarry; Hulls Hill), Southford, Southbury, New Haven County, Connecticut, USA |
12.7km (7.9 miles) | ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA |
16.6km (10.3 miles) | ⓘNorth Street mall, Danbury, Fairfield County, Connecticut, USA |
References |
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Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA