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Mineral specimens search results for [ Orthoclase (twinned) ]Page bottom

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JFD46AN8: Orthoclase (Carlsbad twin)
Saying the word Zarzalejo and thinking of Carlsbad twins is pretty much the same thing. Generations of collectors have gone there to scratch around and find little treasures. Let us add that the orthoclases from Zarzalejo tend to be more 'fresh', less weathered, than those from other places.
Zarzalejo, Comarca Sierra Oeste, Community of Madrid  Spain
Specimen size: 4.5 × 4.1 × 2.3 cm = 1.77” × 1.61” × 0.91”
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NBF76AO5: Orthoclase twinned
Orthoclase crystal with very sharp faces and edges and a very well defined double Baveno-Manebach twin. The specimen comes from the collection of Santiago Jiménez who, especially in the 1980s and '90s, put together an excellent collection with a very good representation of the mineralogy of northern Spain.
Bustarviejo, Comarca Sierra Norte, Community of Madrid  Spain
Specimen size: 7.6 × 3.3 × 2.8 cm = 2.99” × 1.30” × 1.10”
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FD6B9: Twinned Orthoclase
The Carlsbad twin name came from the Carlsbad locality in the Czech Republic. This Orthoclase also came from this locality and "guess what?": it is twinned by the Carlsbad law. A "type locality twin" from an old glorious European locality.
Karlovy Vary (Carlsbad), Karlovy Vary District, Karlovy Vary Region, Bohemia  Czech Republic
Specimen size: 6 × 3.2 × 2 cm = 2.36” × 1.26” × 0.79”
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FE16: Twinned Orthoclase
Nice classic Carlsbad twinned Orthoclase - very sharp and good luster.
Zarzalejo, Comarca Sierra Oeste, Community of Madrid  Spain
Specimen size: 5.2 × 4.6 × 2.2 cm = 2.05” × 1.81” × 0.87”
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FC58K0: Twinned Orthoclase
Floater crystal, complete and doubly terminated, that forms a very well defined Carlsbad twin.
Zarzalejo, Comarca Sierra Oeste, Community of Madrid  Spain
Specimen size: 3.5 × 3.1 × 1.5 cm = 1.38” × 1.22” × 0.59”
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FD9K0: Twinned Orthoclase
Floater crystal, complete and doubly terminated, that forms a very well defined Carlsbad twin.
Zarzalejo, Comarca Sierra Oeste, Community of Madrid  Spain
Specimen size: 3.9 × 3 × 1.6 cm = 1.54” × 1.18” × 0.63”

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