Order early for pre-holiday delivery. Flinn will be closed December 24th, 2025,
through January 4th, 2026, reopening Monday, January 5th, 2026.
Orders received after 10:30 AM Central Time on Tuesday, December 23rd, 2025,
will ship after we return.
Price: $11.15
In Stock.
Use these white or black porcelain streak plates to identify minerals in Earth Science and Environmental Science activities. Ideal 1" x 2" size for field or lab testing. Sold in packages of 10 plates.
Identify minerals using these unglazed white or black porcelain plates. Simply rub the sample across the plate and observe the streak color. Use white plates for dark minerals; black plates for light minerals. Ideal 1" x 2" size for field or lab testing. Sold in packages of 10 plates.