Bartovation Unglazed Black 1 x 2 Streak Plates for Mineral Testing [Pack of 10]

Unglazed porcelain tiles for streak (color) testing of minerals. These streak plates are black and ideal for streak testing of light colors mineral identification. Package of 10 plates. Size, 1 x 2″. The streak test is essential in mineral identification because it retains the color of the mineral.

Features

• Unglazed porcelain tiles for streak (color) testing of minerals.
• Black streak plates enable the easy identification of light minerals
• Package of 10 plates, each 1 x 2″.