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Red Opal

Red opal is a rare variety of precious opal with a body color dominated by red hues, with minimal orange or yellow tones. R…

Rift Valleys: Formation, Pictures, and Examples

What are rift valleys? Rift valley is a long, narrow depression in the Earth's crust. They are formed by tectonic plate…

Facts About Earth Magnetic Field

Earth's magnetic field, also known as the geomagnetic field, is a vast, invisible shield that protects our planet from h…

Agatized Dinosaur Bone

Agatized dinosaur bone is a fossilized dinosaur bone that has been replaced by silica minerals, typically microcrystalline q…

Quartz: Crystals Colors and Types (Pictures)

One of the most abundant minerals on Earth is quartz, and it boasts a range of colors and forms. This versatile mineral can …

Fairburn Agate: South Dakota, Banded Thrill

Fairburn Agate is a type of agate distinguished by its exceptionally complex and irregular banding. Unlike regular banded a…