1-10 Mohs scale Hardness Collection 10pcs

Rock Size:4*3cm Wooden Box Size:400*230*35mm Olivine Basalt, Dolerite, Basalt Glass, Java Volcano, Black Pumice, White Pumice, Red Pumice, Vesicular basalt, Dacite, Moyite, Plagiogranite, Tuff Lava, Perlite, Furvous Andesite

Rock Size:3*3cm Plastic Box Size:190*135*23mm White Pumice, Red Pumice, Dolerite, Vesicular basalt, Dacite, Moyite, Plagiogranite, Tuff Lava

1. red soil 2. brick red soil 3. black earth soil 4. purple soil 5. paddy soil

1.Betonite 2.Ceramic Clay 3.Silt Clay 4.Arenosols 5.Kaolinclay 6.Bauxite 7.Montmorillonite 8.Fire Clay 9.Latosol 10.Red Clay 11.Loess 12.Paddy Soil 13.Sandy Soil 14.Braunerde 15.Purplish Soil 16.Cinnamon Soil 17.Chernozem 18.Yellow Brown Soil