Mineral Hardness Test Kit - Education Set Green such as those used to

such as those used to create the pendants for sale here

and ridges to distinguish fossil mammals

These bangles have been cherished for centuries

Description: The facets in this product listing come as Marquise

showing minimal damage

Mineral Hardness Test Kit - Education Set Green such as those used toDescription: This Mohs Hardness Test Kit is designed for straightforward mineral identification using scratch testing. By comparing a specimen against known hardness points on the Mohs scale, you can quickly narrow down what it could be based on resistance to scratching. A key feature is the streak plate, which reveals the true powdered color of a mineraloften more reliable than surface color, especially for metallic specimens. Used together, hardness