Black Spinel with Growth Layers
John Betts - Fine Minerals
Single crystal of lustrous black Spinel with no matrix attached. Several faces have successive, stacked layers of parallel crystal growth. The bottom is incomplete where it contacted the matrix. Ex. Steve Chamberlain collection #16749; collected by Bill Condon in 1983.
Parker Mine, Notre Dame du Laus, Quebec, Canada
16 x 13 x 12 mm.