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

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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. 78507
Mineral:Analcime on Thomsonite
Locality:North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado
Description:Lustrous trapezohedral white analcime crystals to 9 mm with bladed translucent white thomsonite crystals to 4 mm in hemispherical aggregates to 8 mm diameter. 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:21x17x10 mm
Crystals:2-9 mm
Status: Sold - Posted here for reference only
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