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
North Moat Mountain localities, Bartlett, Carroll County, New Hampshire, USA


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 North Moat Mountain localities, Bartlett, Carroll County, New Hampshire, USA
Data Identifiers
Mindat Occurrence Record ID:29576
Long-form Identifier:1:3:29576:9
GUID (UUID V4):0
Nearest other occurrences of Riebeckite
3.0km (1.8 miles) ⓘMiddle Moat Mountain locality, Hale's Location, Carroll County, New Hampshire, USA
6.0km (3.8 miles) ⓘGovernment pit, Albany, Carroll County, New Hampshire, USA
7.4km (4.6 miles) ⓘLovejoy Gravel pits, Conway, Carroll County, New Hampshire, USA
11.7km (7.3 miles) ⓘHurricane Mountain localities, North Conway, Conway, Carroll County, New Hampshire, USA
17.5km (10.9 miles) ⓘMount Nancy Slide locality, Lincoln, Grafton County, New Hampshire, USA
18.0km (11.2 miles) ⓘMount Anderson Slide locality, Lincoln, Grafton County, New Hampshire, USA
28.1km (17.4 miles) ⓘMount Bond locality, Lincoln, Grafton County, New Hampshire, USA
29.0km (18.0 miles) ⓘMount Guyot locality, Lincoln, Grafton County, New Hampshire, USA
33.8km (21.0 miles) ⓘGreen Mountain Locality, Effingham, Carroll County, New Hampshire, USA
58.3km (36.2 miles) ⓘAbbott Mountain Syenite, Newfield Wildlife Management Area locality, Shapleigh, York County, Maine, USA
References
 
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