AllMinerals/JohnBetts-FineMinerals > Online Mineral Museum Photographic Archive > Minerals from Mexico > Opal var. Hyalite Opal (with 0.25 carat gemstone)

Opal var. Hyalite Opal (with 0.25 carat gemstone) from San Luis Potosi, Mexico

Photo below under shortwave ultraviolet illumination:

Photo below under longwave ultraviolet illumination:

DESCRIPTION:	No. 82434
Mineral:	Opal var. Hyalite Opal (with 0.25 carat gemstone)
Locality:	San Luis Potosi, Mexico
Description:	Lustrous transparent yellow-green hyalite opal in rounded aggregates to 6 mm diameter on gray-brown matrix, with a faceted 0.2 carat 5x4 mm gemstone. The hyalite opal fluoresces bright green under LW-SW UV illumination. The sides were sawn flat. Ex. Miller collection T2622
Overall Size:	30x18x18 mm
Crystals:
Archived:	For reference only

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