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Almandine from
Green's Farm locality (Roxbury garnet mine; Roxbury Falls garnet mine; Garnet Hill), Roxbury, Litchfield County, Connecticut, USA


03507040017409619127203.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
02339620017403172892317.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
04159530017384829182886.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
05130570017272012499522.jpg
Almandine, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
03507040017409619127203.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
02106890017402829475638.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
05351960017382904603823.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
05130570017272012499522.jpg
Almandine, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
03507040017409619127203.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
02339620017403172892317.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
07508760017384829185426.jpg
Almandine

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
05130570017272012499522.jpg
Almandine, etc.

Green's Farm locality, Roxbury, Litchfield County, Connecticut, USA
Locality type:Quarry
Classification
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 Unpublished XRF analysis by Harold Moritz found 98% Fe of total Fe+Mn content.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
Validity:Believed Valid
Associated Minerals:
Associates:Muscovite
Staurolite
Associated Minerals Based on Photo Data:
Staurolite33
Tourmaline3
Clinochlore2
Data
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 GalleryView Gallery (88 photos)
Data Identifiers
Mindat Occurrence Record ID:13548
Long-form Identifier:1:3:13548:5
GUID (UUID V4):0
Nearest other occurrences of Almandine
2.2km (1.4 miles) ⓘBerry Road kyanite locality, Roxbury, Litchfield County, Connecticut, USA
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, Roxbury, Litchfield County, Connecticut, USA
7.7km (4.8 miles) ⓘRockside Quarry, Mine 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, Southbury, New Haven County, Connecticut, USA
12.7km (7.9 miles) ⓘAgstone Company Limestone Quarry, Danbury, Fairfield County, Connecticut, USA
References
Yedlin, Leo N. (1947), Garnet at Roxbury and W. Redding, Conn. Rocks and Minerals, 22(9): 824-825.
Hiller, John. (1983), The Green's Farm Garnet Mine. Gems and Minerals: (547): 34-36.
 
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