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Orthoclase from
Grotta d'Oggi (Grotta d'Oggi Quarry), San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy

Classification
Species:Orthoclase
Formula:K(AlSi3O8)
Comments:Grotta d\'Oggi quarry - Isola Elba is the type localite for this mineral. It has been found up to now in several quarries (all closed) on Isola Elba and the Grotta d\'Oggi quarry is the hystorical one. Despite the locality having been a type occurrence, the potassium feldspar from this locality is mostly microcline and it appears that the definition of orthoclase has changed.
Quality for species:Good crystals or rich for species - important (!)
Confirmation
Validity:Believed Valid
References
References:Barsotti, G., & Nannoni, R. (2006). Rocce, minerali e miniere delle isole dell'Arcipelago Toscano. Pacini editore, 152 pp.
Associated Minerals Based on Photo Data:
Quartz3 photos of Orthoclase associated with Quartz at this locality.
Elbaite3 photos of Orthoclase associated with Elbaite at this locality.
Smoky Quartz3 photos of Orthoclase associated with Smoky Quartz at this locality.
Aquamarine2 photos of Orthoclase associated with Aquamarine at this locality.
Lepidolite2 photos of Orthoclase associated with Lepidolite at this locality.
Morganite2 photos of Orthoclase associated with Morganite at this locality.
Cassiterite1 photo of Orthoclase associated with Cassiterite at this locality.
Pollucite1 photo of Orthoclase associated with Pollucite at this locality.
Data
Mineral Data:Click here to view Orthoclase data
Locality Data:Click here to view Grotta d'Oggi (Grotta d'Oggi Quarry), San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
Nearest other occurrences of Orthoclase
0.4km (0.2 miles) San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
1.0km (0.6 miles) Fonte del Prete, San Piero in Campo, Campo nell'Elba, Elba Island, Livorno Province, Tuscany, Italy
6.6km (4.1 miles) Biodola, Portoferraio, Elba Island, Livorno Province, Tuscany, Italy
19.0km (11.8 miles) Vigneria stope, Rio Mine (Rio Marina Mine), Rio Marina, Elba Island, Livorno Province, Tuscany, Italy
47.7km (29.6 miles) Montecristo Island, Livorno Province, Tuscany, Italy
68.4km (42.5 miles) Punta delle Secche, Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
70.3km (43.7 miles) Punta di Radice, Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
71.0km (44.1 miles) Giglio Castello, Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
71.4km (44.4 miles) Arenella (Cava del Piccione), Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
72.0km (44.7 miles) Poggio della Pagana, Giglio Island, Isola del Giglio, Grosseto Province, Tuscany, Italy
 
Mineral and/or Locality  
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