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Quartz from
Holland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA

Locality type:Mine
Classification
Species:Quartz
Formula:SiO2
Comments:In pockets with calcite, drusy siderite & chlorite. Finest Japan-law twinned quartz crystals in the USA. Some of the Japanese twinned crystals have "ears" more than a foot long.
Habit:Slender, tapering prismatic crystals to 12 inches (30 cm) long, some Japan-law twins
Confirmation
Validity:Believed Valid
References
References:Anthony, J.W., et al (1995), Mineralogy of Arizona, 3rd.ed.: 347; Keith, Stanton B. (1975), Arizona Bureau of Mines Bull. 191, Index of Mining Properties in Santa Cruz County Arizona: 77 (Table 4); Schrader, F.C. & J.M. Hill (1915), Mineral deposits of the Santa Rita and Patagonia Mountains, Arizona, USGS Bull. 582: 339; Arizona Bureau of Mines file data.
Associated Minerals:
Associates:Calcite
Chlorite Group
Siderite
Associated Minerals Based on Photo Data:
Calcite2 photos of Quartz associated with Calcite at this locality.
Pyrite1 photo of Quartz associated with Pyrite at this locality.
Chlorite Group1 photo of Quartz associated with Chlorite Group at this locality.
Hematite1 photo of Quartz associated with Hematite at this locality.
Data
Mineral Data:Click here to view Quartz data
Locality Data:Click here to view Holland Mine, Duquesne Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
Photo GalleryView Gallery (10 photos)
Nearest other occurrences of Quartz
0.3km (0.2 miles) Belmont Mine (Belmont lease; South Belmont incline; North Belmont shaft; Silver Bill Mine), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
0.6km (0.4 miles) Pride of the West Mine (Washington Mine), Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
0.8km (0.5 miles) O'Connor prospect, Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
0.9km (0.6 miles) Bonanza Mine, Westinghouse Mine (Westinghouse property; Davis property), Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
1.0km (0.6 miles) Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
1.6km (1.0 miles) Maine Mine (Ella Mine; Ochoa Mine), Washington Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
1.8km (1.1 miles) Kansas Mine (Poole group; Venados Mine), Washington Gulch, Nash Mines group (Duquesne-Washington group), Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
2.4km (1.5 miles) Santo Nino Mine (Santo Niño Mine; North Santo Nino; North Santo Wind; Brooks; Santa Maria Mo Mine), Santo Niño Mine area, San Antonio Canyon, Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
2.4km (1.5 miles) Gold Ledge prospect, Washington Camp-Duquesne Mining District, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
6.1km (3.8 miles) Proto Mine (Proto group; Proto Brothers claim), Gladstone Mine group (Gladstone prospect; Gladstone-Proto group; Proto Mine group), Providencia Canyon, Patagonia Mining District, Patagonia Mountains, Santa Cruz Co., Arizona, USA
 
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