making it significant for collectors interested in mineral paragenesis as well as aesthetics
water clear Colombian "Lemurian" quartz specimen with incredible barcoding
Locale: Karengarenge Village
twinned selenite crystals forming distinctive fishtail growths
This type of sequential growth—quartz followed by gypsum—is uncommon
Amethyst Coated In Fishtail Selenite - Vera Cruz, Mexico tourmaline specimen making it significant for collectorsLocality: Piedra Parada, Tatatila Municipality, Veracruz, Mexico Dimensions: 3. 5 3. 0 2. 0 cm A highly unusual quartz specimen from Piedra Parada, Veracruz, consisting of a classic Veracruz style quartz crystal coated by fishtail selenite (gypsum). The underlying quartz shows the slender, sharply terminated habit typical of the locality, while the surface is partially enveloped by bladed, twinned selenite crystals forming distinctive fishtail