Description of Mineral Specimen for sale No. 339: |
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Mineral Species: Goethite, Quartz, Magnetite. Location of origin: Staten Island Highlands iron mining district, New York City, Richmond County, New York. Description: Lustrous rounded black goethite 10-15 crystals in layered hemispherical formations to 15 mm with brown ferruginous quartz crystals to 1 mm a few black magnetite microcrystals. The goethite, magnetite and quartz formed from decomposed serpentine. Ex. Irving Horowitz collection #1146. Overall size: 8.5x7x4 cm. Size of individual crystals: micro to 15 mm |
from the author's private collection of minerals from New York City.
Read the full article at: The Minerals of New York City
© 10 November 2018 John Betts
- Fine Minerals, New York , NY - All
Rights Reserved. The minerals illustrated on this site were purchased from collectors or wholesale suppliers for resale purposes. The owner of this site did not collect the minerals and collectors should not assume access is permitted to the property based on inclusion in this site. Please contact the property owner to obtain legal permission before entering private property. |