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Fossil Cockroach Found in Baltic Amber

Cockroach  Fossil Found in Baltic Amber in Kaliningrad, Estimated at 35–40 Million Years Old. Fossilized cockroach preserved…

Why Are Australia’s Pink Lakes So Pink?

Australia’s pink lakes , such as Lake Hillier , derive their color from a unique combination of geological, climatic, and bi…

Vitreous Luster Definition and Mineral Examples

Vitreous luster describes how a mineral reflects light, resembling glass. Derived from the Latin vitreus (meaning " gla…

New Rock Type Made From Human Trash Discovered

Industrial Waste Is Becoming Rock in Just Decades, Scientists Find Scientists have identified a novel rock type that has for…

Purple Fluorite: Color & Properties

Purple fluorite is the violet to deep-purple variety of the halide mineral fluorite (calcium fluoride, CaF₂). Its vivid col…

What is Boulder Opal

Boulder opal is a distinct variety of precious opal that forms within the cavities, seams, or fissures of ironstone boulde…