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Galena Mineral: Ruling the Radio
Galena mineral, in fact, a tiny crystal of galena (lead sulfide), once ruled the radio world as the key component in inexpensive and often...
Nipomo Marcasite: What to Cut
Although marcasite is found all over the world, Nipomo is most famous for its flowery patterns of shiny metallic gold-colored marcasite floating in chalcedony.
Where...
Platinum Metal’s Rise to Fame
Platinum metal in just the past century has gone from rags to riches, overcoming its checkered past, finding many uses in everyday life, science...
Pyrite & Marcasite 101
Pyrite and marcasite are two minerals that share many similarities. They represent a mineralogical phenomenon known as a polymorph. Both have the same chemical...
Labradorite: Northern Lights in a Gemstone
Labradorite mimics the celestial splendor of northern lights with glowing curtains of cyan, green, gold, and magenta. This mineralogical phenomenon called labradorescence, gives this...
Iceland Spar: Optical Calcite
Iceland spar is a transparent variety of calcite that exhibits birefringence, the ability to polarize light and refract it in two slightly different directions....
Healing Crystals vs. Rock Science
Do you collect healing crystals or do you collect for scientific purposes? If you are reading this article, then like me, rocks and gems...
