Streak plate, unglazed, white

Unglazed porcelain tile for determining the streak color (powder color) of a mineral. A white plate is suitable for dark minerals in order to clearly see the streak. For light-colored minerals, we recommend a black streak plate.Size: 50 x 50 x 3 mmColor: blackMaterial: hard porcelainColors on product pictures may differ from those of the original product due to technical reasons. Our images are for reference only, upon purchase you will receive one product of equivalent quality.

9 mineralsspecimens: 20 x 20 mm each in a plastic case with 10 compartments includes a streak plate In mineralogy, the term “streak color” or simply “streak” refers to the color of the powder produced when a mineral is rubbed against a rough, unglazed  porcelain surface—such as a streak plate. It is a common method for identifying specimens that appear similar in color. This classroom collection is used to compare the streak color with the intrinsic color of minerals. It comes with a porcelain streak plate.The specimens are numbered according to the contents list. Our collections are handcrafted by Dr. F. Krantz in Bonn.  Please note that minerals are natural products and no two specimens will ever look exactly alike. Due to technical limitations, colors in product photos may differ slightly from those of the actual specimen. Our images are for reference; upon purchase you will receive a collection of equivalent quality.

The Mohs scale of mineral hardness is a helpful tool for identifying minerals.Standard Mohs scale with nine reference minerals, a white streak plate, and instructions.Delivered in a sturdy wooden collection box.Handcrafted at Dr. F. Krantz in Bonn, Germany.How to use a Mohs scale? Watch on Youtube!Measures: 18.5 x 11.5 x 5.5 cm (7 x 4.5 x 2.2 inches)Size of minerals: approx. 2.5 x 3 cm (1 x 1.2 inches) Colors in product photos may vary slightly from those of the original product due to technical reasons. Our images serve as a reference; when you purchase, you will receive a product of equivalent quality.