Nest of developed and terminated Cronstedtite crystals, a rare iron silicate, embedded in a pyritiferous rock matrix that forms a network in the mineralized zone showing the crystals of Pyrite themselves, an association typical for both species.
The specimen, from the very classic English locality Wheal Bray in Cornwall, has been analyzed and we will send a copy of the analysis to the buyer of the piece, which comes from the old collection of Robert-Auguste Touchon.
Wheal Bray, Altarnun, South West Region, Cornwall England / United Kingdom
Specimen size: 5 × 4.2 × 2.8 cm = 1.97” × 1.65” × 1.10”
|