What is Boulder Opal
Boulder opal is a distinct variety of precious opal that forms within the cavities, seams, or fissures of ironstone boulde…
Boulder opal is a distinct variety of precious opal that forms within the cavities, seams, or fissures of ironstone boulde…
Over 99.999% of Earth’s gold is trapped in its core, slowly reaching the surface through volcanic activity. Earth’s core ha…
To the naked eye, the Moon appears gray with striking light and dark patches, yet its simple appearance hides a complex geol…
Natural diamonds sparkle with a striking array of colors, from the flawless clarity of colorless gems to the rare vibrancy o…
Flower Agat e, a trade name for a distinct chalcedony variety, exhibits a translucent, cryptocrystalline structure with in…