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

SAMPLE:
-- Pebbles of Topaz (gouttes d’eau) from Brazil

TEACHING OBJECTIVES:
- To introduce raw topaz and the November birthstone
- To introduce the names of several chemical elements found in topaz
- To introduce the Mohs Scale of Mineral Hardness
- To note that topaz is a very hard mineral and that hard minerals can survive erosion in a long river journey
- To locate Brazil on a map and introduce the notion that the Portuguese language was imported there from Portugal

GRADES 5-10
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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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