Ancient PUNK! STAR HOLES in stone. The beginning. By Jeffrey Appling Lepidolite is a pink Mica. Brown Mica is called Muscovite, green is Fuchsite, and black is Biotite. The flakiness of Mica is not due to planes of atomic weakness (cleavage planes). In Gemology we call it parting. Mica makes a great heat shield and … More Ancient Punk! Star Holes in Stone.
“Cogged vs Cognitive” by Jeffrey Appling Ironic how named objects can have a definitive meaning provided enough factual information is provided. Cognitive skills and knowledge involve the ability to acquire factual information, often the kind of knowledge that can easily be tested. Cognitive science is a growing field of study that deals with human perception, … More “Cogged vs Cognitive”
Honestly, the tool I made for the “California Star” holes properly depicts the star hole in Flint Quarry, Monson MA and not Shasta, CA. I just like the shape for design purposes. So, if someone were to call it an “East Coast or Massachusetts Star”?… they would be correct. My star holes below left and … More “Cali-Stars, Cores & More”