Single large plates or "books" of biotite can grow to considerable size and can make impressive mineral specimens

This is a strand of Smoky Quartz beads with an overall length of 38 cm (15 inches)

It is almost round at 40x32x29mm in size

with dimensions of 36x12x23 mm

Origin: Mumbai (Bombay)

Natrolite Crystals | 104.5 grams | Mont Saint-Hilaire, Quebec, Canada | SO24 Big Rock Donga Single large plates or "books"This is a specimen of Natrolite crystals from world famous site Mont Saint Hilaire, Quebec. The crystals fluoresce a beautiful bright green under short wave ultraviolet light.. It is in very good condition. Make this a special specimen in your collection. Name: Natrolite on matrix Specimen Size: Miniature Sized Dimensions: 81x75x46 mm 3. 2x2. 9x1. 8 inches Weight: 104. 5 Grams 3. 7 ounces Origin: Mont Saint Hilaire, Quebec, Canada