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Weinrich Minerals, Inc
Full-time professional mineral dealer with over 31 years experience in mineral collecting
And 15 years selling mineral specimens on the internet and at major mineral shows

Index of Mineral Help pages

Examples of Complex Searches

Example: "luster-metallic" or "luster-sub met*" "streak-gray" "lead-4*" finds all metallic minerals with a gray streak containing 40.0% to 49.9% of lead.
Example: "density-2.6*" "hardness-3*" "luster-vitreous" "color-white" or "color-colorless" for all white, vitreous minerals that have a hardness of 3 to 3.5 and a density of 2.6 to 2.69
Example: "sodium-3" "biaxial" "cleavage-00*" finds all biaxial minerals with a basal cleavage with 3 to 3.99% sodium.
Example: "luster-adamantine" "color-yellow" "cleavage-none" finds all yellow minerals with no cleavage and an adamantine luster.
Example: "iron-3" barium cerium finds all minerals with 3 to 3.99% iron containing cerium and barium.
Example: "intensity-o-3.5*" boron finds all minerals containing boron with the most intense x-ray d-spacing of 3.5 to 3.599 angstroms.
Example: biaxial-a1.7* bire-0.015* pleochroism "pale blue" finds all biaxial minerals with the lowest index of refraction from 1.7 to 1.799, a birefringence of 0.0150 to 0.0159 and a pale blue pleochroism.

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