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Limestone (Coquina)
Buff-colored, coarse, detrital limestone, with cemented shell fragments.
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Ward's® Fluorite (Cleavage)
Pure, large, transparent-to-translucent cleavages, Mohs’ hardness of 4.
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Ward's® Azurite
Bright blue crystalline veins and coatings in a matrix of mixed copper ore.
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Ward's® Pink Crystalline Halite
Himalayan mineral great for teaching and display.
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Ward's® Gabbro (Hornblende)
Dark gray, with hornblende as the dominant mafic mineral.
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Ward's® Paternity Testing Lab Activity
How does DNA fingerprinting determine paternity?
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Laser Optical Disk Set
This is an excellent and economical set for introductory ray optics.
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Crazy Circuits Classroom Sets: Programming 101
A complete classroom solution to the daunting task of teaching electronics and programming.
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Ward's® Gneiss (Gray Banded)
White and black bands of quartz, feldspar, and biotite; typical foliation.
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miniPCR® Bandit™ Biotech Bundle
Get hands-on with biotech fundamentals! With the Bandit™ Biotech Bundle you will have everything you need to:
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Ward's® Labradorite (Cleavage)
Feldspar group; good cleavages of pure soda lime feldspar; most show twinning and labradorescence.
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Ward's® Hornblende (Cleavage)
Amphibole group; dark greenish black cleavages, somewhat columnar.