Maggie Wilson Author

Historical Non-Fiction in Northern Ontario

Archive for September 9th, 2014

One Word Photo Challenge: Carmine

A crystal fragment of Villiaumite from Koashva Mt, Russia 1.8 x 1.7 x 0.7 cm Chemical make-up: NaF – or sodium fluoride. Sound familiar? Inspired by Jennifer Nichole Wells’ One Word Photo Challenge A warning to minerals collectors from the Villiaumite page on Mindat: Poisonous! Fluoride ion in water-soluble form is what makes this mineral highly toxic. Its availability in macrospecimens, and the attractive colour, might lure small children into […]

Continue Reading →