In geology, macrocrystalline
mineralshave crystalslarge enough to easily be identified by sight. Quartz, as well as the most valuable rare gems like diamonds, is famous for sometimes having a macrocrystalline structure.
This is the opposite of
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macrocrystalline — adjective Having crystals that are visible without the use of magnification … Wiktionary
macrocrystalline — mac·ro·crystalline … English syllables
macrocrystalline — “+ adjective Etymology: macr + crystalline : consisting of or having crystals large enough to be determined by the eye or a simple lens … Useful english dictionary
Quartz — This article is about the mineral. For other uses, see Quartz (disambiguation). Quartz Quartz crystal cluster from Tibet General Category … Wikipedia
Cryptocrystalline — is a rock texture made up of such minute crystals that its crystalline nature is only vaguely revealed even microscopically in thin section by transmitted polarized light. Among the sedimentary rocks, chert and flint are cryptocrystalline.… … Wikipedia
Ground stone — In archaeology, ground stone is a category of stone tool formed by the grinding of a coarse grained tool stone, either purposely or incidentally. Ground stone tools are usually made of basalt, rhyolite, granite, or other macrocrystalline igneous… … Wikipedia
Microcrystalline — copper(I) oxide. A microcrystalline material is a crystallized substance or rock that contains small crystals visible only through microscopic examination. See also Macrocrystalline Microcrystalline silicon Protocrystalline … Wikipedia
Chalcedon (Mineral) — Chalcedon (Chalzedon) Chalcedon Kristall aus der Slowakei Chemische Formel SiO2 Mineralklasse Oxide/Hydroxide siehe Quarz (nach Strunz) … Deutsch Wikipedia
Chalzedon — Chalcedon (Chalzedon) Chalcedon Kristall aus der Slowakei Chemische Formel SiO2 Mineralklasse Oxide/Hydroxide siehe Quarz (nach Stru … Deutsch Wikipedia
mesocrystalline — adjective Having crystals intermediate in size between microcrystalline and macrocrystalline ones … Wiktionary