Size: 24x19mm

Size:  7x6mm

Product ID: TOFG3882

Color: Blue and Yellow

This is a section of a seam of amethyst druse quartz crystals in basalt matrix from Thunder Bay Ontario area

Green Mica Schist Metamorphic Rock, Muscovite, 252 Grams, Eastern Ontario, Canada | SO24 Molybdenite Size: 24x19mmName: Mica schist Muscovite Specimen Size: Large Cabinet Sized Dimensions: 149x63x24 mm 5. 8x2. 5x0. 9 inches Weight: 252 Grams 8. 9 ounces Origin: Mined in Eastern Ontario This is a section of a colorful Precambrian rock material green Mica (muscovite) from Eastern Ontario Area and an excellent example of Grenville metamorphism. The name is derived from the Greek word that means to split. The Grenville Orogen is a deeply eroded and highly uplifted