Homepage Geology In

Latest Posts

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…

Gold from Earth’s Core Found in Hawaiian Volcano

Over 99.999% of Earth’s gold is trapped in its core, slowly reaching the surface through volcanic activity. Earth’s core ha…

What is the Moon Made Of

To the naked eye, the Moon appears gray with striking light and dark patches, yet its simple appearance hides a complex geol…

OSZAR »