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Name |
Also
Known As |
Variations |
Distribution Complete |
Description Complete |
Pictures Added |
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Rabbit Ears Pass Wood (Type 19) |
Colorado |
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Rabbitkettle Chert |
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Racine Chert |
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Rainbow Sheen Obsidian |
Iris
Obsidian |
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Rainbow Wood |
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Rainy Butte Chert |
Rainy
Butte Silicified Wood |
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Rainy Butte Silicified Sediment |
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Rainy Buttes Silicified Wood |
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Ramah Chert |
Mugsford Chert |
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Ramah Chert (Maine?) |
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Ramah Quartzite |
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Ramapo Gneiss |
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Ramp Creek Chert |
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Rampart Group Chert |
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Ramshorn Mountain Jasper |
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Rancheria Chert |
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Randall Creek Wood |
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Rapid Chert |
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Rattlesnake Hills Wood |
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Raymond Andesite |
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Raytown Chert |
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Reading Prong Jasper |
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Reagen Chert |
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Red Bluff Chert |
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Red Butte Chert |
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Red Creek Quartzite |
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Red Desert Black Palm Wood |
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Red Desert Jasper |
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Red Horn Coral (fossil) |
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Red Mountain Turquoise |
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Red Palmwood |
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Red Plume Quartzite |
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Red River Chert |
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Red River Jasper |
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Red Slate |
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Red Stone Canyon Jasper |
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Redman Creek Jasper |
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Redwall Chert / Dolomite |
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Reed's Spring Chert |
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Republic Chert |
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Republican River Jasper |
Republican Jasper. Niobrarite, Smokey Hill Jasper |
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Reservation Agate |
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Rex Chert |
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Reynales Silicified Sandstone |
Hickory Corners Chert |
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Rhame Bed Silicate / Kaolin |
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Rhode Island Jade |
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Rhyolite |
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Rhyolitic Pumice Rocks |
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Rib Mountain Quartzite |
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Ribbon Chert |
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Rice Agate |
Rice
Stone |
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Rice Grain Chert |
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Rich Patch Chert |
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Richland Chert |
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Richmond Amphibolite |
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Rickenbach Chert |
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Rideau Chert |
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Rideau Quartzite |
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Ridge & Valley Chert |
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Ridgely Quartzite |
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Ring Quarry Chert |
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Ringgold Chert |
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Rio Grande Gravel Chert |
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Rio Grande Valley Wood |
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Riverside Sandstone |
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Road Creek Agate |
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Roanoke Chert |
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Robbers Mountain Argillite / Chert |
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Robbins Range Wood |
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Rock Bridge Jasper |
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Rock Canyon Chert |
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Rockaway Plum Puddingstone |
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Rockdale Run Chert / Dolomite |
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Rocky Butte Jasper |
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Rocky Mountain Basalt |
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Rocky Mountain Quartzite Gravels |
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Rogers Mountain Wood |
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Roony Creek Chert |
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Root Beer Chert |
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Root River Chert / Jasperoid |
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Rope Ferry Gneiss |
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Roquemaure Jasper |
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Rose Hill Quartzite |
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Roubidoux Chert |
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Round Valley Chert |
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Row Park Chert / Dolomite |
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Roxbury Puddingstone |
Boonton Puddingstone, Bearfort Mountain Puddingstone |
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Roxbury Quartzite |
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Royston Turquoise |
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RS Hill Obsidian |
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Rudite |
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Rugg Brook Chert / Dolomite |
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Ryan's Quartz |
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