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Cristales,Minerales, Gemas

Las piedras preciosas naturales o gemas, se originaron a grandes profundidades en la tierra, hace miles de millones de años, en condiciones extremas de presión y temperatura, a las cuales, los minerales se derriten hasta ser un líquido en ebullición. Según las condiciones de enfriamiento, los átomos de estos materiales se ordenan de diferentes modos formando los cristales, de los materiales que conocemos como gemas naturales, piedras preciosas o semipreciosas.

Igneous rocks formed from lava flows of the Archaean era (>2,700 million years ago) are often found to contain disequilibrium-textured crystals characterized by spherulitic, branching or dendritic morphologies that occur in layers near the flow surface.

Beautiful Himalayan Crystal by Nico Lopez

Aquamarine Shigar Valley, Skardu District, Pakistan

Bustamite & Calcite from Wessels Mine, Kuruman, Cape Province, South Africa

Dom Pedro Aquamarine - The world's largest cut and polished aquamarine. Housed in the permanent collection of the Houston Museum of Natural Science. The finished piece is nearly 14 in tall and weighs 10,363 carats, or about 5 lbs.

Rhodonite - Conselhiero Lafaite, Minas Gerais, Brazil.

Anatacamite La Vendida Mine, Caracoles, Chile fov 0.8 mm

Calcite with Stibnite, Quartz

Selenite in the sun. I just want to lean up against this thing and soak up all the energy.

Iridescent Golden Spirit Quartz / Boekenhoutshoek area, South Africa