mineral inclusions
1INCLUSIONS (physique du solide) — INCLUSIONS, physique du solide Presque tous les cristaux comportent des lacunes de cristallisation ou des cavités remplies par des corps à l’état gazeux, liquide ou solide. Ces inclusions sont connues depuis très longtemps puisque H. Sorby en… …
2INCLUSIONS FLUIDES — Parmi les processus ayant donné lieu à la formation des roches dans l’écorce terrestre, il en est un qui est très important pour la genèse de certains gisements métallifères: c’est la croissance de minéraux à partir d’une phase fluide. Dans ce… …
3mineral deposit — Introduction aggregate of a mineral in an unusually high concentration. About half of the known chemical elements (chemical element) possess some metallic (metal) properties. The term metal, however, is reserved for those chemical… …
4Fluid inclusions — are microscopic bubbles of liquid and gas that are trapped within crystals. As minerals often form from a liquid or aqueous medium, tiny blebs of that liquid can become trapped within the crystal structure or in healed fractures within a crystal …
5Quartz (mineral) — Quartz (minéral) Pour les articles homonymes, voir Quartz. Quartz Catégorie IX : silicates …
6Inclusion (mineral) — In mineralogy, an inclusion is any material that is trapped inside a mineral during its formation. In gemmology is a characteristic enclosed within a gemstone, or reaching its surface from the interior.According to Hutton s law of inclusions,… …
7Héliotrope (minéral) — Héliotrope Catégorie IX : silicates[1] Pierres de sang polies …
8Quartz (minéral) — Pour les articles homonymes, voir Quartz. Quartz Catégorie IX : silicates[1] …
9Heliotrope (mineral) — The mineral heliotrope, also known as bloodstone, is a form of chalcedony, which is a cryptocrystalline quartz. The classic bloodstone is green jasper with red inclusions of iron oxide (red jasper). Sometimes yellow and/or other colors of jasper… …
10silica mineral — Any of the forms of silicon dioxide (SiO2), including quartz, tridymite, cristobalite, coesite, stishovite, melanophlogite, lechatelierite, and chalcedony. Various kinds of silica minerals have been produced synthetically. * * * Introduction… …
