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^ Florida's state gem, moonstone, was adopted to highlight Florida's role in the United States' Lunar program, which landed the first astronauts on the Moon. [ 81 ] ^ Since 1983, Massachusetts has had 3 other official state rocks: State Historical Rock ( Plymouth Rock ), State Explorer Rock ( Dighton Rock ), and State Building and Monument ...
The name is a portmanteau, formed from Mo (Missouri), zark , and ite (meaning rock). Mozarkite consists essentially of silica ( quartz - SiO 2 ) with varying amounts of chalcedony . It has won distinction as a particular form or variety of chert because of its unique variation of colors and its ability to take a high polish.
Pages for logged out editors learn more. Contributions; Talk; List of U.S. state minerals, rocks, and gemstones
This is a list of minerals which have Wikipedia articles. Minerals are distinguished by various chemical and physical properties. Differences in chemical composition and crystal structure distinguish the various species .
Created Date: 8/30/2012 4:52:52 PM
Download as PDF; Printable version; In other projects Wikimedia Commons; Wikidata item ... This is a list of gemstones, organized by species and types. Minerals
Similarly, it allows for a reasonable amount, defined as up to 25 pounds a day and 250 pounds per year, of common fossils, gemstones and certain other materials for personal use.
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