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RM2598   Orthoclase, Carlsbad twin

Karlovy Vary, Czech Republic

A classic specimen of the famous, but difficult to find, twinned orthoclase crystals from this locality of Bohemia. A floating specimen with the Carlsbad twin. Well defined. There has been some debate as to whether or not Loket is the type locality for the Karlsbad twin habit of feldspar, as "Karlsbad" / "Carlsbad" is the old name for Karlovy Vary. More information on this can be found in  [mindat].


Size: 4.8 x 3.4 x 1.7 cm.
Found in ±1991

Col. A. Trigo (Mataró).
Classic locality


Price: 50 €Reserved
 

RM2446   Arsenic

Uranium Mine No.21, Level 7, vein H14F, Háje, Příbram, Central Bohemian, Czech Republic

Botryoidal arsenic aggregates from this classic locality in former Czechoslovakia. It was collected at level 7 of the uranium mine number 21. At the time, due to its antimony content, it was called "Stibarsen" or "Allemontite". Good size. Arsenic specimens from this mine are rare.


Size: 5.5 x 3.2 x 1.1 cm.
Found in 1983.

Classic locality


Price: 55 €Reserved

 

RM806   Feldspar pseudomorph after leucite

Krušné Hory Mts (Erzgebirge), Ostrov, Karlovy Vary, Bohemia, Czech Republic

Very curious group of interpenetrated leucite crystals pseudomorphosed by feldspar. A classic from Czech Republic appreciated by pseudomorph collectors. Good size.


Size: 5,4 x 5,3 x 4,7 cm.

Price: 50 €Reserved
 
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