Iridescent Goethite - Mineral aligator Description: These natural

Description: These natural

5cmApproximate weight for 1 piece: 100g

I added a little red gem for symbolism

This property makes it potentially useful in thermoelectric generators for waste heat recovery in industrial processes

5mmApproximate weight of 1 piece: 7g

Iridescent Goethite - Mineral aligator Description: These naturalMined from: Tharsis, Spain Description: Iridescent goethite from Tharsis, Spain, is a variety of the mineral goethite (FeO(OH)) that exhibits a shimmering, rainbow like play of colors on its surface and a lovely botryoidal composition. This iridescence is typically caused by the thin film interference of light within microscopic layers or inclusions on the mineral's surface. The region of Spain from which these specimens are sourced is known for its