Todt Hill Serpentinite, Staten Island (Richmond Co.), New York City, New York, USA

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An abandoned highway cut into Ordovician Serpentinite ejected from deep within the mantle and metamorphosed. The serpentinite is rich in Magnesium and Chromium accounting for the lack of plant life in the area. Collecting is welcome, as there are very fine mineral specimens to be found. Recently, specimens of Stichtite and Chromian Clinochlore have been found.

See website for more info- http://3dparks.wr.usgs.gov/nyc/parks/loc7.htm

Mineral List:

Antigorite
Aragonite
Artinite
Brucite
Calcite
Chromite

Clinochlore
var: Chromian Clinochlore
'Deweylite'
Enstatite
Hydromagnesite
Lizardite
Magnesite

Magnetite
Pyroaurite
Stevensite
Stichtite
Talc

17 entries listed. 14 valid minerals.

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