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Science+Take-Out
Description:
Gabbro is Mafic igneous rock formed deep underground consisting of olivine and pyroxene.
Description:
Pegmatite is igneous rock similar to granite but with larger crystals.
Description:
Carbonate rock formed by the precipitation from water.
Description:
Gray metamorphosed shale showing "slaty cleavage".
Description:
Fools gold Brassy color which leaves a black streak.
Description:
Bituminous rich black shale for hands-on investigations.
Description:
Obsidian is hard black colored, volcanic glass.
Description:
Massive white quartz with a moh's hardness 7.
Description:
Red clastic rock composed of sand sized particles and hematite.
Description:
Quartzite is hard, non-foliated rock formed from metamorphosed quartz sandstones.
Description:
Limestone is a gray calcium carbonate that will fizz with dilute HCl.
Description:
Pumice is light colored glassy rock that floats in water.
Description:
A textbook example of pure crystalline carbon which is extermely soft.
Description:
Massive sedimentary gypsum with a moh's hardness 2..
Description:
Metamorphosed rock showing foliation and rich in hornblende.
Catalog Number:
(470182-586)
Description:
Necturus liver. The enzyme RNAase specifically digests RNA, confirming the existence of RNA in the nucleolus of the cytoplasm. Compare to RNA (...
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