Idaho Chalk Stone Mine

Gem Mountain Sapphire Mine (Philipsburg)
Welcome | The Official Website of the State of Idaho
Mineral Identifiion Guide
Gem mines for sale
Rare Gems and Minerals Found in Idaho
Industrial MineralsMines, Quarries, and General Resources ...
How chalk is made
Building stone and Devon's geology
Gem Mineral Identifiion | Treasure Quest Mining
Rock Hounding Idaho | 99 Loions in Idaho to find Gemstones!
Rock Key
Disused Stations: Totternhoe Quarries
Gem Tour of America
Mining Part 2: Important Minerals, Gems, and Rocks Mined ...
What is Calcium Carbonate?
Stone Quarries and Beyond Site Map