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

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

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 78054
Mineral:	Thomsonite on Analcime
Locality:	North Table Mountain, Stage 2 Lava Flow, Golden, Jefferson County, Colorado
Description:	Translucent gray-white thomsonite crystals to 1 mm in hemispherical aggregates to 3 mm diameter intermixed with lustrous trapezohedral white analcime crystals to 7 mm. One 8 mm thomsonite group stands upright off the surrounding crystals. Collected ca. 1985. The analcime fluoresces white under SW-LW UV illumination
Overall Size:	4x3.3x1.2 cm
Crystals:	micro to 7 mm
Archived:	For reference only

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