diamonds arranged in a variety of crystallographic orientations. they are usually opaque, gray to black in color, and may exhibit obvious pore spaces. carbonados are a variety of industrial diamonds, not suitable for manufacturing faceted gems. most of them have been crushed for use as abrasive granules...
induced to spawn by means of acetone-dried pacific salmon pituitary powder. the eggs were fertilized and incubated and the resultant young reared to -day old, cm long fingerlings. newly fertilized eggs averaged mm in diameter and each had a narrow perivitelline space containing several cortical granules...