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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Riebeckite from
Mount Nancy Slide locality, Lincoln, Grafton County, New Hampshire, USA


Locality type:Mountain
Classification
Species:Riebeckite
Formula:◻Na2(Fe32+Fe23+)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Riebeckite data
Locality Data:Click here to view Mount Nancy Slide locality, Lincoln, Grafton County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:53712
Long-form Identifier:1:3:53712:4
GUID (UUID V4):0
Nearest other occurrences of Riebeckite
1.5km (0.9 miles) ⓘMount Anderson Slide locality, Lincoln, Grafton County, New Hampshire, USA
10.7km (6.6 miles) ⓘMount Bond locality, Lincoln, Grafton County, New Hampshire, USA
11.5km (7.1 miles) ⓘMount Guyot locality, Lincoln, Grafton County, New Hampshire, USA
17.5km (10.9 miles) ⓘNorth Moat Mountain localities, Bartlett, Carroll County, New Hampshire, USA
20.5km (12.7 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
23.4km (14.6 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
24.8km (15.4 miles) ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA
27.0km (16.8 miles) ⓘHurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA
49.2km (30.6 miles) ⓘGreen Mountain Locality, Effingham, Carroll County, New Hampshire, USA
74.3km (46.1 miles) ⓘAbbott Mountain Syenite, Newfield Wildlife Management Area locality, Shapleigh, York County, Maine, USA
References
 
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