AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Colorado > Analcime on Thomsonite

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Online Mineral Museum Archive of Mineral Photographs and Mineral Descriptions from John Betts - Fine Minerals.com and Allminerals.com

   

Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

 
Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

Photo below under shortwave ultraviolet illumination:
Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

Photo below under longwave ultraviolet illumination:
Analcime on Thomsonite from North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado

DESCRIPTION:No. 77864
Mineral:Analcime on Thomsonite
Locality:North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado
Description:Lustrous trapezohedral white analcime crystals to 14 mm with bladed translucent white thomsonite crystals to 2 mm in hemispherical aggregates to 4 mm diameter on brown basalt. The thomsonite crystals have brown limonite surface staining. Collected ca. 1985. The analcime fluoresces white under LW UV illumination and green under SW UV illumination
Overall Size:5.5x4x2 cm
Crystals:1-14 mm
Archived: For reference only

 

 

 

 

 

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