Mineral Hardness Test Kit - Education Set natural pyrite and aids with memory recall

and aids with memory recall

Description: This is a bead necklace made from Blue Apatite

as they are dental grade- but they are great for lapidary use

You can see strong lengthwise striations

Dimensions: 4

Mineral Hardness Test Kit - Education Set natural pyrite and aids with memory recallDescription: 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