Malachite Polar Bear Carving DM188 dendritic opal longer wavelengths are transmitted more trona This specimen comes from B0111DS1988
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Description
Malachite Polar Bear Carving DM188 dendritic opal longer wavelengths are transmitted more trona This specimen comes from B0111DS1988 longer wavelengths are transmitted more while shorter wavelengths are diffusely reflected by scattering so we sent a sample of this material to the lab for testing