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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Natrolite from
Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA


01582960017367350717999.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
00079190017272010834825.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
01582960017367350717999.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
00079190017272010834825.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
01582960017367350717999.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
00079190017272010834825.jpg
Natrolite, etc.

Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
Locality type:Quarry
Classification
Species:Natrolite
Formula:Na2Al2Si3O10 · 2H2O
Comments:Occurs in miarolitic cavities and in masses in garnet-pseudoleucite syenite and nepheline syenite pegmatite.
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Aegirine2
Orthoclase2
Barytocalcite1
Pyrophanite1
Data
Mineral Data:Click here to view Natrolite data
Locality Data:Click here to view Diamond Jo Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
Photo GalleryView Gallery (2 photos)
Data Identifiers
Mindat Occurrence Record ID:62953
Long-form Identifier:1:3:62953:1
GUID (UUID V4):0
Nearest other occurrences of Natrolite
0.8km (0.5 miles) ⓘJones Mill Quarry, Magnet Cove, Hot Spring County, Arkansas, USA
2.3km (1.4 miles) ⓘCove Creek Bridge and The Branch area, Magnet Cove, Hot Spring County, Arkansas, USA
2.4km (1.5 miles) ⓘEudialyte pegmatite, Magnet Cove, Hot Spring County, Arkansas, USA
3.0km (1.9 miles) ⓘKimzey Calcite Quarry (Calcite Hill), Magnet Cove, Hot Spring County, Arkansas, USA
10.6km (6.6 miles) ⓘNorth Wilson pit, Union Carbide Mine, Wilson Springs (Potash Sulfur Springs), Garland County, Arkansas, USA
39.3km (24.4 miles) ⓘGranite Mountain No. 3 Quarry, Sweet Home, Granite Mountain complex, Saline County, Arkansas, USA
59.7km (37.1 miles) ⓘBig Rock Quarry (3M Quarry; Arch Street Pike Quarry), Granite Mountain area, Little Rock, Pulaski County, Arkansas, USA
61.7km (38.4 miles) ⓘGranite Mountain Quarry No. 1, Granite Mountain Area, Little Rock, Pulaski County, Arkansas, USA
References
Rocks & Min.:64:300-307.
Flohr, Marta J. K., Ross, Malcolm (1989) Alkaline igneous rocks of Magnet Cove, Arkansas: Metasomatized ijolite xenoliths from Diamond Jo quarry. American Mineralogist, 74 (1-2) 113-131
 
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