BST110pr Blue Star Thunderegg Specimen Pair
These polished halves of a Blue Star Thunderegg show two fused open cavities revealing botryoidal chalcedony formations coated in sparkling druzy, inside brecciated brown and gray rhyolite and translucent to pale blue-gray chalcedony with hints of peach inclusions.
The chalcedony shows green fluorescence under 365nm ultraviolet light.
Polished Surface: 9cm x 7.5cm and 9.2cm x 7.5cm
Approx. 1" and 1.25" deep
1lb 0.5oz
Blue Star Thundereggs are a recent find out of Sonora, Mexico. They have a dark grayish to reddish brown outer rind with blue chalcedony inside, typically with a prevalent classic thunderegg star pattern. Many nodules are only partially filled, revealing open inner cavities showing botryoidal formations of chalcedony and crystal druzy inside.
Original: $55.00
-65%$55.00
$19.25Product Information
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Description
These polished halves of a Blue Star Thunderegg show two fused open cavities revealing botryoidal chalcedony formations coated in sparkling druzy, inside brecciated brown and gray rhyolite and translucent to pale blue-gray chalcedony with hints of peach inclusions.
The chalcedony shows green fluorescence under 365nm ultraviolet light.
Polished Surface: 9cm x 7.5cm and 9.2cm x 7.5cm
Approx. 1" and 1.25" deep
1lb 0.5oz
Blue Star Thundereggs are a recent find out of Sonora, Mexico. They have a dark grayish to reddish brown outer rind with blue chalcedony inside, typically with a prevalent classic thunderegg star pattern. Many nodules are only partially filled, revealing open inner cavities showing botryoidal formations of chalcedony and crystal druzy inside.
