Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
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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Spodumene from
Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA


08946500017272017103706.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
02157350017272024658201.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
00626670017272024683420.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
01243350017763346383522.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
00650790017368745706374.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
07097800017763346381268.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
03357030017763346395697.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
01854240017730968794821.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
08946500017272017103706.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
02157350017272024658201.jpg
Spodumene, etc.

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
04586000017272024731138.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
08640900017763346397348.jpg
Spodumene

Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Locality type:Quarry
Classification
Species:Spodumene
Formula:LiAlSi2O6
Comments:broad, lath-like crystals several inches wide and thick, and up to a foot and a half in length. Found in the core zone of the western pegmatite. "Spodumene including gem kunzite and hiddenite was present in logs up to 1 foot by 4 inches comprising about 1.0 percent of the lepidolite enriched areas." (Barton and Goldsmith 1968)
Colour:tan to lavender
Luminescent properties:pale orange-pink
Abundance at site:Common
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Albite6
- var Cleavelandite6
Lepidolite4
Quartz4
Montebrasite3
Pollucite2
Elbaite2
Opal2
- var Opal-AN2
Microlite Group1
Data
Mineral Data:Click here to view Spodumene data
Locality Data:Click here to view Walden Gem Quarry, Portland, Middlesex County, Connecticut, USA
Photo GalleryView Gallery (6 photos)
Data Identifiers
Mindat Occurrence Record ID:37388
Long-form Identifier:1:3:37388:1
GUID (UUID V4):0
Nearest other occurrences of Spodumene
2.9km (1.8 miles) ⓘSchoonmaker Mine, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
3.0km (1.8 miles) ⓘStrickland Quarry, Strickland pegmatite, Collins Hill, Portland, Middlesex County, Connecticut, USA
7.2km (4.5 miles) ⓘWhite Rocks Quarry (Consolidated Quarry), White Rock Mining District, Middletown, Middlesex County, Connecticut, USA
15.7km (9.8 miles) ⓘGillette Quarry (J-J Mine; Haddam Neck Quarry), Haddam Neck, Haddam, Middlesex County, Connecticut, USA
68.6km (42.6 miles) ⓘBlandford mica mines, Blandford, Hampden County, Massachusetts, USA
69.1km (42.9 miles) ⓘU. S. Route 7 Expressway (Danbury line to Iron Works District), Brookfield, Fairfield County, Connecticut, USA
80.4km (50.0 miles) ⓘFillow Quarry, Branchville, Redding, Fairfield County, Connecticut, USA
84.8km (52.7 miles) ⓘCasey Quarry (Ridgefield pegmatite), Ridgefield, Fairfield County, Connecticut, USA
92.5km (57.5 miles) ⓘClark Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
93.0km (57.8 miles) ⓘMacomber Ledge pegmatite locality, Chesterfield, Hampshire County, Massachusetts, USA
References
Barton and Goldsmith (1968)
Rocks & Minerals (1970) 45:443-449
Rocks & Minerals (1970) 45:595-600
Weber, Marcelle H., Sullivan, Earle C. (1995) Connecticut Mineral Locality Index. Rocks & Minerals, 70 (6) 396-409 doi:10.1080/00357529.1995.11761569
 
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