Red Jasper is opaque, fine-grained or dense variety of the silica mineral chert. Jasper, long used for jewelry and ornamentation, has a dull lustre but takes a fine polish. Its hardness and other phys...
The attached picture is made by colorful fluorite, it's in 25mm flat coin beads.
This colorful fluorite can be made into different sizes and shapes of beads. Especially for the bigger size beads.
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