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Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

 
Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

Photo below under shortwave ultraviolet illumination:
Opal var. Hyalite from Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic

DESCRIPTION:No. 33902
Mineral:Opal var. Hyalite
Locality:Valec (Waltsch), Karlovy Vary, Doupovske Hills, Bohemia, Czech Republic
Description:A perfect example of water clear botryoidal globular opal, variety hyalite (also known as Water Opal or Muller's glass) on matrix. Valec (Waltsch) is known for excellent hyalite. Fluoresces bright green under UV illumination. Ex. John A. Rorer, Jr. collection #302; Purchased by Dr. Rorer while in Germany in 1952.
Overall Size:7x7x2 cm
Crystals:2-4 mm spherules
Status: Sold - Posted here for reference only
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