Crystal Knowledge Base: Mineral Education, Collecting, and Meaning

UV Dog Tooth Calcite

Fluorescent & UV-Reactive Minerals: A Visual G...

Some minerals hide their true colors until you shine the right light. Under ultraviolet illumination, they glow with an otherworldly radiance. From fluorite to calcite, UV-reactive minerals are among the...

Fluorescent & UV-Reactive Minerals: A Visual G...

Some minerals hide their true colors until you shine the right light. Under ultraviolet illumination, they glow with an otherworldly radiance. From fluorite to calcite, UV-reactive minerals are among the...

Hubei Crystals and Minerals

Why Mine Origin Matters: Famous Sites & Stories

In mineral collecting, origin isn’t a footnote—it’s part of the piece. A crystal’s mine and region shape its beauty, value, and meaning. Here’s how locality influences collectibility and connection, plus...

Why Mine Origin Matters: Famous Sites & Stories

In mineral collecting, origin isn’t a footnote—it’s part of the piece. A crystal’s mine and region shape its beauty, value, and meaning. Here’s how locality influences collectibility and connection, plus...