AMETHYST GEODE WITH CALCITE. ...

Description

AMETHYST GEODE WITH CALCITE
Artigas, Artigas Department, Uruguay
Amethyst geodes are formed from "bubbles" that are trapped in viscous, flowing lava - depending on the chemical constituents that are captured inside this bubble, different aspects of mineralization can occur. When all of the forces align together in perfect harmony, the result is a geode of unsurpassed perfection - such as the exquisite example seen here. This extremely fine Uruguayan geode is like an "Easter Egg" that has been opened to reveal the wondrous crystals inside: lustrous Amethyst lines the cavity and perched inside this cocoon of deep violet-purple prisms is a large, colorless, scalenohedral Calcite. This unusual Calcite crystal is an impressive 5½ inches (13.3 cm) tall - sharp and well defined; it is accented with sparkling druzy Amethyst that is characteristic of the rare "skunk-type" Calcites notable from this area; and it is remarkable in its perfection: lustrous and free from damage. There is a partial Calcite crystal at the front of the cavity, and the exposed edges of the geode have been polished for a more refined effect. Overall, the geode measures 12 ¼ x 10 ¼ x 9 ½ inches (31 x 26 x 24 cm) and weighs 41 pounds (18.6 kg). It sits upright on a custom stainless steel stand.

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