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2. List of minerals recognized by the International ...

   en.wikipedia.org/wiki/List_of_minerals...

   Crystals of serandite, natrolite, analcime, and aegirine from Mont Saint-Hilaire, Quebec, Canada. Mineralogy is an active science in which minerals are discovered or recognised on a regular basis. Use of old mineral names is also discontinued, for example when a name is no longer considered valid.

3. Petoskey stone - Wikipedia

   en.wikipedia.org/wiki/Petoskey_stone

   A Petoskey stone is a rock and a fossil, often pebble-shaped, that is composed of a fossilized rugose coral, Hexagonaria percarinata. [1] Such stones were formed as a result of glaciation, in which sheets of ice plucked stones from the bedrock, grinding off their rough edges and depositing them in the northwestern (and some in the northeastern) portion of Michigan's lower peninsula.

4. List of U.S. state minerals, rocks, stones and gemstones

   en.wikipedia.org/wiki/List_of_U.S._state...

   ^ 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 Stone . In ...

5. Gone winter rockhounding in Washington state? You can find ...

   www.aol.com/gone-winter-rockhounding-washington...

   Washington state is a hotbed for minerals, gemstones, crystals and fossils, making the Evergreen state a popular site for rockhounding. Whether in an official group or going solo, rockhounding is ...

6. List of gemstones by species - Wikipedia

   en.wikipedia.org/wiki/List_of_gemstones_by_species

   Gemstones of the World revised 5th edition, 2013 by Walter Schumann ISBN 978-1454909538 Smithsonian Handbook: Gemstones by Cally Hall, 2nd ed. 2002 ISBN 978-0789489852 hide

7. Ever gone rockhounding near the Tri-Cities area? You can find ...

   www.aol.com/news/where-collect-fun-rocks-near...

   Washington state is a hotbed for minerals, gemstones, crystals and fossils, making the Evergreen state a popular site for rockhounding. Whether in an official group or going solo, rockhounding is ...