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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Magnesio-riebeckite from
Franklin Mine, Franklin, Sussex County, New Jersey, USA


00181440017857676668010.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
00908270017563369199485.jpg
Magnesio-riebeckite, etc.

Trotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
05696860017360847064815.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
01803050017364469642806.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
00181440017857676668010.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
01363840017562609993899.jpg
Magnesio-riebeckite, etc.

Trotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
05696860017360847064815.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
01803050017364469642806.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
00181440017857676668010.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
00908270017563369199485.jpg
Magnesio-riebeckite, etc.

Trotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
01395790017360847079792.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
03973310017364469644252.jpg
Magnesio-riebeckite, etc.

Buckwheat dump mineral collecting site, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Locality type:Mine
Classification
Species:Magnesio-riebeckite
Formula:◻Na2(Mg3Fe23+)(Si8O22)(OH)2
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Calcite5
Quartz5
Stilpnomelane4
- var Ferristilpnomelane4
Sphalerite3
Willemite2
Skutterudite1
Hendricksite1
Fluorite1
Data
Mineral Data:Click here to view Magnesio-riebeckite data
Locality Data:Click here to view Franklin Mine, Franklin, Sussex County, New Jersey, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:54153
Long-form Identifier:1:3:54153:4
GUID (UUID V4):0
Localities for Magnesio-riebeckite in this Region
Mill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Taylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Trotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
Nearest other occurrences of Magnesio-riebeckite
0.2km (0.1 miles) ⓘTaylor Road dumps, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.2km (0.1 miles) ⓘTrotter Mine, Franklin Mine, Franklin, Sussex County, New Jersey, USA
0.8km (0.5 miles) ⓘMill site dump, Franklin Mine, Franklin, Sussex County, New Jersey, USA
48.8km (30.3 miles) ⓘMillington Quarry, Bernards Township, Somerset County, New Jersey, USA
References
Dunn, Pete J. (1995) Franklin and Sterling Hill, New Jersey: The world's most magnificent mineral deposits Vol. 3. The Franklin-Ogdensburg Mineralogical Society.p.456
 
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