gem

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Gem stones - Flashcards: 9

Description: Colour and name of stones
Popularity 0
Tags colours gem stones
Author: raj.choitram9
Created: 2007-10-10

Description: Review questions
Popularity 0
Tags cleavage crystal fracture gem hardness luster magma mineral ore silicate streak titanim
Author: missyray24
Created: 2006-09-22