Pocket hardness scale with diamond (5 - 10)

The Mohs scale of mineral hardness is a helpful tool when identifying minerals.It is based on the ability of one natural sample of mineral to visibly scratch another mineral. Standard scale including nine reference minerals in well-sized samples and a steel pin with diamond splinter. Delivered in a sturdy wooden collection box. Handcrafted at Dr. F. Krantz, Bonn, Germany.  Measures: 23 x 13 x 6 cmSize minerals: approx. 3 x 4 cmAdditional identification tools: magnet, file, splitting knife, streak plate and instructions.Colors in product pictures may differ from those of the original product due to technical reasons.Our pictures are reference only, upon purchase you will receive one product of equivalent quality.

Mohs hardness scale in pocket size!Three metal rods are fitted with six conically cut mineral tips. The following hardness grades are included: 5 - 6 - 6.5 - 7 - 8 - 9.The degree of hardness is engraved on each pen.Comes in a black leather case with instructions.For technical reasons, the colors in product photos may differ slightly from those of the original product.Our images are for reference only; when you purchase, you will receive an item 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.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.

The Mohs scale of mineral hardness is a helpful tool when identifying minerals.It is based on the ability of one natural sample of mineral to visibly scratch another mineral. Small hardness scale with reference minerals of hardness 1 to 9, a white streak plate, an explanatory list, and instructions. Delivered in a plastic collection box.Handcrafted at Dr. F. Krantz, Bonn, Germany. Size minerals: approx. 2 x 2 cmSize box: 22 x 7.5 x 3 cmColors on our productphotos may differ from those of the original product due to technical reasons.Our pictures are for reference, upon purchase you receive one product of equivalent quality.