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141-Agate $7.00
Mystery includes rock, fossil, or mineral sample and Mystery questions with teaching instructions.

SAMPLES:
-- A sample of plain, banded, or moss agate that DOES NOT FIZZ IN ACID

TEACHING OBJECTIVES:
-- To introduce agate, a popular rock for collectors
-- To introduce the concept of two names for the same rock
-- To introduce the concept of varieties of the same mineral
-- To illustrate that window glass and agate are in the same family of minerals (composed of silica and oxygen) loosely called quartz, and that they donít fizz in acid.

GRADES 2-4
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Ruth Deike
Rock Detective Geoscience Education
395 Deer Run Drive
Nellysford , VA 96080

Phone: 434-263-3737

EMAIL:

 

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