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"WardsSci000452"
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Limestone (Coquina)
Buff-colored, coarse, detrital limestone, with cemented shell fragments.
Expand 4 item
Ward's® Limestone (Gray)
Fine, common limestone; massive, and will fizzle with HCl.
Expand 5 item
Ward's Science Essentials® Siltstone
Gray to tan clastic rock made of silt sized particles.
Expand 1 item
Ward's Science Essentials® Gypsum
Massive sedimentary gypsum with a moh's hardness 2..
Expand 1 item
Ward's Science Essentials® Sandstone
Red clastic rock composed of sand sized particles and hematite.
Expand 1 item
Ward's® Sandstone (Banded)
Red, medium, to coarse-grained iron oxide cement; shows hematite bands.
Expand 4 item
Shale (Carbonaceous)
Black, fissile; commonly with carbonized fossil plant impressions.
Expand 3 item
Ward's Science Essentials® Limestone
Limestone is a gray calcium carbonate that will fizz with dilute HCl.
Expand 1 item
Ward's Science Essentials® Bituminous Shale
Bituminous rich black shale for hands-on investigations.
Expand 1 item
Ward's® Arkose
Red-brown to gray, coarse-grained, containing feldspar and mica.
Expand 4 item
Ward's® Conglomerate (Quartz)
Small, rounded pebbles and tightly cemented granules.
Expand 4 item
Ward's® Coal (Lignite)
Brownish black, intermediate stage between peat and bituminous coal.