News

Selenite and satin spar are mineral sisters, both made of gypsum, but one grows in clear blades while the other gathers light into silky fibers. Here is how to tell them apart.

Water is gentle to us, but it is not gentle to every stone. Learn how hardness, cleavage, crystal habit, and chemistry should guide the way you clean and display a mineral specimen.

Pyrite builds bright cubes in darkness and comes out looking almost manufactured, all sharp edges, metallic mirrors, and impossible confidence. Here is how fool’s gold forms, why it sparks, and how to keep it shining.

Labradorite can look like a quiet gray stone until the light finds the right door. Then blue, gold, green, and violet move beneath its surface. Here is the geology behind that hidden fire, and the story people have carried beside it.

Celestite gathers in pale blue blades and luminous clusters, carrying the color of open sky inside a surprisingly heavy stone. Meet its geology and story.

Fluorite looks as if geometry dreamed itself into stone. Here is the science behind its cubes, colors, fluorescence, and beautifully breakable nature.