Gemology

Rare Minerals from Afghanistan

Rare Minerals from Afghanistan: 8 Collector Fav...

Very few minerals are named after a country. One is named after Afghanistan: afghanite, a blue mineral first described in 1968 from the same mines that have supplied the world...

Rare Minerals from Afghanistan: 8 Collector Fav...

Very few minerals are named after a country. One is named after Afghanistan: afghanite, a blue mineral first described in 1968 from the same mines that have supplied the world...

Natural pyrite cubes on rock matrix

Pyrite: Meaning, Real vs Fake and Why It's Call...

Pyrite has been fooling people for centuries, and in a way it still does. The question "is this real?" has two meanings here. Is it real gold, or pyrite? And...

Pyrite: Meaning, Real vs Fake and Why It's Call...

Pyrite has been fooling people for centuries, and in a way it still does. The question "is this real?" has two meanings here. Is it real gold, or pyrite? And...

which crystals fade in sunlight

Which Crystals Fade in Sunlight? Amethyst, Fluo...

Most crystals sit on a sunny windowsill for years and look exactly the same. A few don't. A deep purple amethyst turns pale lavender. A pink kunzite loses most of...

Which Crystals Fade in Sunlight? Amethyst, Fluo...

Most crystals sit on a sunny windowsill for years and look exactly the same. A few don't. A deep purple amethyst turns pale lavender. A pink kunzite loses most of...

Tray of loose tourmalines in blue and green shades

Blue Tourmaline (Indicolite): Colors, Value and...

Search for blue tourmaline and you'll find prices from a few dollars a carat to over $50,000 a carat. Both are honest numbers. They're just describing different stones that share...

Blue Tourmaline (Indicolite): Colors, Value and...

Search for blue tourmaline and you'll find prices from a few dollars a carat to over $50,000 a carat. Both are honest numbers. They're just describing different stones that share...

Crystal storage tray with soft lining

Which Crystals Can Go in Water? And Which Will ...

Someone leaves a selenite wand in the bath "to cleanse it." A week later it's a cloudy, flaking stick that's lost half its shine. Water ruins more crystals than dropping...

Which Crystals Can Go in Water? And Which Will ...

Someone leaves a selenite wand in the bath "to cleanse it." A week later it's a cloudy, flaking stick that's lost half its shine. Water ruins more crystals than dropping...

Mineral Specimen Terms Explained

Mineral Specimen Terms Explained: Matrix, Termi...

If you know the vocabulary, that's a whole story in one line. If you don't, it might as well be in another language. Mineral collecting has its own shorthand, and...

Mineral Specimen Terms Explained: Matrix, Termi...

If you know the vocabulary, that's a whole story in one line. If you don't, it might as well be in another language. Mineral collecting has its own shorthand, and...