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Composed of iron oxide (Fe₃O₄)
amazonite is said to calm the mind and align the heart with clarity and confidence
Bornite is a copper-iron sulfide mineral also known as “peacock ore” for its striking iridescent tarnish (blues
They’re not crystals
Rudist Bivalve Fossil | Saudi Arabia | Late Cretaceous titanium Composed of iron oxide (Fe₃O₄)Rudist bivalves are an extinct marine mollusk that operated as major reef builders in the Late Cretaceous. Their shell structure was heteromorphic, they often possessed a thick, calcitic attached valve and a smaller free upper valve. While rudists themselves are known for their strange and varied shapes, some groups within this subclass exhibit homeomorphic evolution, where unrelated species evolved similar, often parallel forms. This item is 8 x 4
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