Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Powellite from
Holts Ledge, Lyme, Grafton County, New Hampshire, USA


09102000017272736172484.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
09197870017272036596653.jpg
Powellite, etc.

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
09914000017272036609036.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
01417970017272036623952.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
09102000017272736172484.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
08743700017446106347012.jpg
Powellite, etc.

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
00887580017446106358645.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
08370010017446106354870.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
09102000017272736172484.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
06143600017272036638967.jpg
Powellite, etc.

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
09914000017272036609036.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
01417970017272036623952.jpg
Powellite

Holts Ledge, Lyme, Grafton County, New Hampshire, USA
Classification
Species:Powellite
Formula:Ca(MoO4)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Molybdenite3
Data
Mineral Data:Click here to view Powellite data
Locality Data:Click here to view Holts Ledge, Lyme, Grafton County, New Hampshire, USA
Photo GalleryView Gallery (4 photos)
Data Identifiers
Mindat Occurrence Record ID:97491
Long-form Identifier:1:3:97491:8
GUID (UUID V4):0
References
Meyers, T. R., Stewart, Glenn W. (1956) The Geology of New Hampshire Vol. 3 - Part III - Minerals and Mines. The New Hampshire State Planning and Development Commission, Concord, NH. p.15
 
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