Classification Species: Almandine Formula: Fe3 2+ Al2 (SiO4 )3 Comments: Usually small (<5mm) but well formed crystals in fine-grained schist, larger crystals to 3 cm in coarser schist.
Confirmed as almandine using XRF (Fe:Mn ratio = 83:17) by Harold Moritz. Habit: dodecahedral and trapezohedral Colour: maroon Quality for species: Good crystals or rich for species - important (!) Abundance at site: Very common Confirmation Validity: Believed Valid Associated Minerals Based on Photo Data: Staurolite 9 Data Mineral Data: Click here to view Almandine data Locality Data: Click here to view Diamond Lake locality, Glastonbury, Hartford County, Connecticut, USA Photo Gallery View Gallery (4 photos) Data Identifiers Mindat Occurrence Record ID: 322172 Long-form Identifier: 1:3:322172:3 GUID (UUID V4 ): 0 Nearest other occurrences of Almandine
4.1km (2.6 miles) ⓘ Birch Mountain Road, Glastonbury, Hartford County, Connecticut, USA 5.8km (3.6 miles) ⓘ Spinelli prospect (Spinelli quarry), Glastonbury, Hartford County, Connecticut, USA 8.6km (5.3 miles) ⓘ Nike prospect, Portland, Middlesex County, Connecticut, USA 10.1km (6.3 miles) ⓘ Hollister prospects, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 10.4km (6.5 miles) ⓘ Husband Quarries, South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 10.5km (6.5 miles) ⓘ Case Quarry No. 3, Case Quarries, Portland, Middlesex County, Connecticut, USA 10.5km (6.5 miles) ⓘ Simpson Quarry (Wiarda Quarry), South Glastonbury, Glastonbury, Hartford County, Connecticut, USA 10.6km (6.6 miles) ⓘ Case Quarry No. 2, Case Quarries, Portland, Middlesex County, Connecticut, USA 10.6km (6.6 miles) ⓘ Case Quarries, Portland, Middlesex County, Connecticut, USA 10.6km (6.6 miles) ⓘ Case Quarry No. 1, Case Quarries, Portland, Middlesex County, Connecticut, USA
References Search for references including Almandine Diamond Lake locality, Glastonbury, Hartford County, Connecticut, USA
Diamond Lake locality, Glastonbury, Hartford County, Connecticut, USA