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Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Almandine from
Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA


06498470017362606108338.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
02971530017362606113687.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
07982500017362606112574.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
08932240017487757277837.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
06426150017362402312142.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
02971530017362606113687.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
07982500017362606112574.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
06797760017363351076638.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
06498470017362606108338.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
03462890017362606126099.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
06710860017361082183376.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
05112790017509770603688.jpg
Almandine, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Locality type:Quarry
Classification
Species:Almandine
Formula:Fe32+Al2(SiO4)3
Comments:commonly massive and with fluorapatite, in the outer 3 to 5 feet of the western pegmatite, XRF testing of one garnet revealed 63% Fe, 37% Mn.
Habit:dodecahedral
Colour:maroon to red
Quality for species:Poor for species, only of interest for locality collectors. (#)
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Fluorapatite12
Quartz11
Albite4
Uraninite2
Meta-autunite2
Microcline2
Muscovite2
Opal1
- var Opal-AN1
Data
Mineral Data:Click here to view Almandine data
Locality Data:Click here to view Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:37694
Long-form Identifier:1:3:37694:9
GUID (UUID V4):0
Nearest other occurrences of Almandine
0.4km (0.2 miles) ⓘBordonaro Quarry, Portland, Middlesex County, Connecticut, USA
1.2km (0.7 miles) ⓘHale Quarry (Andrews Quarry; Glastonbury Quarry), Portland, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarries, Portland, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA
1.5km (0.9 miles) ⓘCase Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA
1.6km (1.0 miles) ⓘCase Quarry No. 3, Case Quarries, Portland, Middlesex County, Connecticut, USA
2.3km (1.4 miles) ⓘHowe Quarry (Howe #1 Quarry; Huspband Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
2.4km (1.5 miles) ⓘSimpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
2.5km (1.6 miles) ⓘPelton's Quarry, Portland, Middlesex County, Connecticut, USA
2.6km (1.6 miles) ⓘGriswold Quarry, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA
References
Moritz, Harold (n.d.) Personal Communication.
Barton and Goldsmith (1968)
Rocks & Minerals (1970) 45:443-449
 
and/or  
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