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Plate, Streak, Economy
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For testing the streak color of minerals. The plates are 5 cm. square by 0.75 mm thick and made of an unglazed high technology ceramic with superior strength and hardness (Moh's scale 9) compared to ordinary thick porcelain plates.

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Other Items to Consider:
 The Heart of America Plus™ with Coronary Bypasses
 DG- Giant Functional Brain
 Soil Texture Unit
 










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