Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Sphalerite from
Herja Mine, Baia Mare, Maramureș County, Romania


Locality type:Mine
Classification
Species:Sphalerite
Formula:ZnS
Comments:Herja produces black sphalerites as fine as any other locality
Habit:Large tetrahedra to 3 cm, some spinel twinned. Often polysynthetic twins
Colour:Black
Luminescent properties:none
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
Associated Minerals Based on Photo Data:
Quartz630
- var Chalcedony15
- var Quartzine12
- var Star Quartz12
- var Smoky Quartz1
Calcite492
- var Manganese-bearing Calcite8
Siderite434
- var Sphärosiderite60
- var Manganese-bearing Siderite1
Galena300
Pyrite292
Marcasite265
Pyrrhotite145
Chalcopyrite123
Semseyite102
Plumosite93
Dolomite46
- var Manganese-bearing Dolomite2
Stibnite34
Bournonite29
Fizélyite28
Jamesonite28
Freibergite Subgroup26
Boulangerite22
Baryte16
Tennantite Subgroup12
Fluorite10
Tetrahedrite Subgroup8
Arsenopyrite8
Limonite7
Covellite7
Native Arsenic5
Pyrrhotite Group4
Zinkenite1
Calcite Group1
Cubanite1
Cuprite1
Data
Mineral Data:Click here to view Sphalerite data
Locality Data:Click here to view Herja Mine, Baia Mare, Maramureș County, Romania
Photo GalleryView Gallery (84 photos)
Data Identifiers
Mindat Occurrence Record ID:47350
Long-form Identifier:1:3:47350:7
GUID (UUID V4):0
Nearest other occurrences of Sphalerite
5.1km (3.2 miles) Dealul Crucii adit, Baia Mare, Maramureș County, Romania
5.2km (3.2 miles) Minei Hill open pit, Baia Sprie mine, Baia Sprie, Maramureș County, Romania
5.8km (3.6 miles) Baia Sprie mine, Baia Sprie, Maramureș County, Romania
7.4km (4.6 miles) Valea Roșie ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
8.2km (5.1 miles) Iojica-Bartoșa ore deposit, Bartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
8.3km (5.1 miles) No. 5 Mine, Baia Sprie, Maramureș County, Romania
8.4km (5.2 miles) Bartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
8.6km (5.3 miles) Aurum ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
9.1km (5.6 miles) Wilhelm mining area (Wilhelm-Trei Stejari mining area; Wilhelm Mine), Bartoșa-Wilhelm ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
10.1km (6.3 miles) Tyuzoșa-Ludovica ore deposit, Săsar-Valea Roșie mining area, Baia Mare, Maramureș County, Romania
References
 
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