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Unnamed Tourmaline locality, Airline Railroad, East Hampton, Middlesex Co., Connecticut, USA
Detailed Mineral List:
| Almandine | ||
| Formula: | Fe2+3Al2(SiO4)3 | |
| Description: | commonly present at schist contact. | |
| Reference: | Rowan M. Lytle Collection | |
| 'Tourmaline' |  | |
| Formula: | A(D3)G6(T6O18)(BO3)3X3Z | |
| Habit: | trigonal | |
| Colour: | black, dark brown | |
| Description: | very good quality crystals with exceptional luster and terminal faces embedded in quartz | |
| Reference: | Rowan M. Lytle Collection | |
| Photo: © Matthew Kimball. Tourmaline from Unnamed Tourmaline locality, Airline Railroad, East Hampton, Middlesex Co., Connecticut, USA | ||
| 'Uvite' ? | ||
| Formula: | Ca(Mg3)MgAl5(Si6O18)(BO3)3(OH)3(F/OH) | |
| Colour: | black, dark brown | |
| Description: | ||
| Reference: | Rowan M. Lytle Collection | |
3 entries listed. 1 valid mineral.
References
R. M. Lytle Collection
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