. Get Price How can a person tell the difference between real GOLD and I am a recreational gold prospector. I often encounter minerals like pyrite or mica that look like gold. I use a few methods to differentiate them from gold. Mica is much lighter than gold and will float out in the panning process. In the goldpan, a small speck of gold will still look like gold in the shade, the others will not. Get Price Real or Fools Gold How Prospectors and Miners Tell the Difference Fools gold can come in the form of pyrite, mica or other minerals, and plenty of wouldbe gold miners have been tricked by it, thinking they have struck it rich. Luckily, there are some pretty simple ways to tell the difference between fools gold and real gold nuggets or flakes. Get Price Micas, Oxides and Pigments Rustic Escentuals The 00 Karat Gold Mica is a luminous, strongtoned yellow with added sparks of gold. Shimmery, sunny, and loads of fun when added to lip balm and lip gloss 00 Karat Gold Mica is natural shimmer pigment derived from the mineral Muscovite Mica potassium aluminum sili e , coated with iron oxide, cosmeticgrade fineness. Get Price MICA POWDERS antique SevenTrustrs There is no such hazard with mica powder. The airborne particle is an inert rock instead of a flake of metal. It is important to note that when touching up or color matching, there will always be a significant . difference between any gold pigment and leaves of metal. When light hits a piece of metal leaf, gold or Get Price Mica Wikipedia Mica sheets are used to provide structure for heating wire such as in Kanthal or Nichrome in heating elements and can withstand up to 000 C 0,000 F . Atomic force microscopy. Another use of mica is as a substrate in the production of ultraflat, thinfilm surfaces, e.g. gold surfaces. Get Price Desert Gold Diggers Gold Tests Since gold has a specific gravity of 00.000.0 depending on purity and attached minerals as compared to 00.0 for lead, 0.0 for pyrite and 0.00.0 for mica, any minerals that move much easier than lead are not gold while those that do not move as easily have a good chance of being gold. Get Price 