Description
This Collection contains 20 Types of Basic Earthy Minerals Specimens. The Earthy Minerals Specimens include Some of the following Kaoline, Gypsum, Bauxite, Soap Stone, Chalk French, Plastic Clay, Bentonite, Sulphur, Steatite, Fire Clay, Ochre Yellow, China Clay, Chalk Lump, Red Ochre, Fuller’s Earth, Salt Peter, Shale, Talc, Pyrolusite & Raw Nitre Etc.
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