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This is a list of gemstones, organized by species and types. Minerals ... Rock crystal (var.) Shocked quartz (var.) Smoky quartz (var.) Quartzite; R–Z. Realgar;
Amethyst crystals – a purple quartz Apophyllite crystals sitting right beside a cluster of peachy bowtie stilbite Aquamarine variety of beryl with tourmaline on orthoclase Arsenopyrite from Hidalgo del Parral, Chihuahua, Mexico Aurichalcite needles spraying out within a protected pocket lined by bladed calcite crystals Austinite from the Ojuela Mine, Mapimí, Durango, Mexico Ametrine ...
Bahia Emerald [2]; Carolina Emperor, [3] [4] 310 carats uncut, 64.8 carats cut; discovered in the United States in 2009, resides in the North Carolina Museum of Natural Sciences, Raleigh, NC, US
Media in category "Crystals" This category contains only the following file. Titanium Substitutions in Zircon Unit Cell.jpeg 351 × 382; 58 KB
Mineral symbols (text abbreviations) are used to abbreviate mineral groups, subgroups, and species, just as lettered symbols are used for the chemical elements.. The first set of commonly used mineral symbols was published in 1983 and covered the common rock-forming minerals using 192 two- or three-lettered symbols. [1]
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In Mystery Case Files, you are given a list of items on the right side to find under a certain time limit. Here are some of our staff's favorite hidden objects games that you can play for free ...
In the chart below, a year which is listed within parentheses represents the year during which that mineral, rock, stone or gemstone was officially adopted as a state symbol or emblem. Table of minerals, rocks, stones and gemstones