Frieda Thunderegg - Rare Multi-Cavity

A highly unusual structure for a Frieda thunderegg - or for any in the United States come to that. This form is seen quite commonly in european stones - especially the french Esterels, but this is a real rarity.

2 1/8" by 2" by 3/4"

This thunderegg is for sale. £10 Please contact David Rix for buying.

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