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Black Streak Plate for Mineral Testing

Black Streak Plate for Mineral Identification  Mini Me Geology

Black Streak Plate for Mineral Testing

Price: $3.75

SKU: MMG0704

Description

Black porcelain streak plates are great for testing minerals. Often, the color of the
mineral's streak is a clue as to the identification of the mineral. To perform
the test, rub the mineral on the plate and observe the color. The streak is the
color of the mineral in powder form. Many minerals have a streak that is the
same as its outward appearance; however, some streaks are very different
colors! Black streak plates are great for light colored samples. Each streak
plate is 2 x 2.

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