Black Streak Plate
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 1 x 2. Sold individually.
For age 4+ with adult supervision
Warning: Choking Hazard - Small Parts
Not for children under 3
For age 4+ with adult supervision
Warning: Choking Hazard - Small Parts
Not for children under 3
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