Prehnite on Laumontite with Apophyllite and Gyrolite Specimen A Carving 7th Vein Ocean Jasper Geological

7th Vein Ocean Jasper Geological History

Gem grade jewellery cabochons from the private collection of an Argentinian jeweller whose boutique housed these fine gems at the Four Seasons

Translucent when held up to the light

and inner steadiness

They contain fossilised insect and/or plant material and are categorised according to their grade which is assessed by their clarity

Prehnite on Laumontite with Apophyllite and Gyrolite Specimen A Carving 7th Vein Ocean Jasper GeologicalFew mineral associations tell such a compelling geological story. The preserved Laumontite form, now replaced by luminous Prehnite and accented with Gyrolite spheres and sparkling Apophyllite crystals, creates a specimen desired not only for its beauty but for the extraordinary sequence of mineral formation it records. Dimensions: 12. 6cm (L) x 10. 5cm (W) Prehnite after Laumontite Meaning This remarkable pseudomorph represents transformation through