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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Arsenopyrite from
Conlon Mine (Winding lode; Winding claim; Lafayette claim; Conlin; Conlan; Comet claim; Jefferson claim; Jefferson lode), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA


Locality type:Mine
Classification
Species:Arsenopyrite
Formula:FeAsS
Comments:Occurs as brilliant crystals.
Confirmation
Validity:Believed Valid
Associated Minerals:
Associates:Milky Quartz
Native Gold
Data
Mineral Data:Click here to view Arsenopyrite data
Locality Data:Click here to view Conlon Mine (Winding lode; Winding claim; Lafayette claim; Conlin; Conlan; Comet claim; Jefferson claim; Jefferson lode), La Barr Meadows, Grass Valley Mining District, Nevada County, California, USA
Data Identifiers
Mindat Occurrence Record ID:636708
Long-form Identifier:1:3:636708:4
GUID (UUID V4):0
Nearest other occurrences of Arsenopyrite
2.1km (1.3 miles) ⓘSultana Mine (Electric Mine; Sultana-Orleans Mine), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
3.0km (1.9 miles) ⓘPennsylvania Mine [1] (Pennsylvania Consolidated Qtz; Pennsylvania-W.Y.O.D.; Pennsylvania vein; Pennsylvania-Wyod; Wyod), Empire Star group (Empire Star Mines Company holdings), Grass Valley, Grass Valley Mining District, Nevada County, California, USA
7.7km (4.8 miles) ⓘLava Cap-Banner-Central group (Central Consolidated; South Banner; North Banner), Banner Mountain (Banner Hill), Nevada City Mining District, Nevada County, California, USA
8.9km (5.5 miles) ⓘNevada City, Nevada City Mining District, Nevada County, California, USA
9.0km (5.6 miles) ⓘQueen Lil Mine (Queen Mine; Buffington Mine), Indian Flat, Nevada City Mining District, Nevada County, California, USA
9.6km (6.0 miles) ⓘNorth Banner Consolidated Mine (North Banner Quartz Mine; North Banner Cons.; North Banner Co; North Banner Qtz), Lava Cap-Banner-Central group (Central Consolidated; South Banner; North Banner), Banner Mountain (Banner Hill), Nevada City Mining District, Nevada County, California, USA
16.9km (10.5 miles) ⓘDutch Flat Mining District (Towle Mining District), Placer County, California, USA
25.0km (15.6 miles) ⓘSt. Gothard Quartz Mine (Helvetia Quartz Mine; Helvetia Mine; Helvetia Qtz.; St Gothard Qtz; St. Gothard Consolidated Mine; St. Gothard Cons.), Delhi - St. Gothard Consolidated Mine (Delhi - St. Gothard Mine), Columbia Hill, North Columbia Mining District (Columbia Hill Mining District), Nevada County, California, USA
27.2km (16.9 miles) ⓘRed Ledge Mine, Washington, Washington Mining District (Omega Mining District), Nevada County, California, USA
28.6km (17.8 miles) ⓘSliger Mine, French Hill, Spanish Dry Diggings (Spanish Dry Diggins), Greenwood District, Northwest Segment Mother Lode, El Dorado County, California, USA
References
Blake, Wm. P. (1855), Observations on the extent of the gold region of California and Oregon, with notices of mineral localities in California and of some remarkable specimens of crystalline gold: American Journal of Science, 2nd. Series: 20: 76
Murdoch, Joseph & Robert W. Webb (1966), Minerals of California, Centennial Volume (1866-1966): California Division Mines & Geol. Bulletin 189: 203.
 
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