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The Tyndall effect is also the reason why blue chalcedony appears yellow or brown when strong light shines through it
Gold Sheen Obsidian exhibits a beautiful gold shimmer when viewed from the correct angles
Celestine Specimen
has great luster on its deep blue crystals
the Monkey King shrinks it down to the size of a sewing needle and stores it in his ear
8.75" Pyrite Obelisk DX054 mounted The Tyndall effect is alsoPyrite Obelisk Approx. Dimensions: 8. 75 x 2. 5 x 2. 5 inches Approx. Weight: 2430 grams Locality: Peru Pyrite Often referred to as "Fool's Gold", pyrite, or iron pyrite, is composed of Iron Sulfide. Its name is derived from the Greek word "pyr", or "fire". Pyrite is enjoyed by many because of its lustrous gold sheen, but sometimes appears in a yellow gray or gray color. Sometimes oxidization of the pyrite will cause a brown or iridescent film to form
