AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from New York > Dravite-Uvite Tourmaline in Inwood Marble

Dravite-Uvite Tourmaline in Inwood Marble from Harlem Ship Canal excavation, norther Manhattan Island, New York City, New York County, New York

DESCRIPTION:	No. 368
Mineral:	Dravite-Uvite Tourmaline in Inwood Marble
Locality:	Harlem Ship Canal excavation, norther Manhattan Island, New York City, New York County, New York
Description:	Lustrous transparent brown dravite-uvite tourmaline crystal in fine-grained gray Inwood Marble. These brown tourmaline crystals range from dravite (sodium-rich) to uvite (calcium-rich), often with a single crystal so should be labeled as dravite-uvite. Personally collected in 1997 from excavated rock dumped near Inwood Park. Illustrated in Manhattan Mineral Collecting (1998) Mineral News Vol. 14, #1, p.1-8
Overall Size:	5x4x2 cm
Crystals:	17 mm
Archived:	For reference only

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