Race in Newport, Oregon. 79.07% of people are white, 0.80% are black, 0.98% are asian, 1.52% are native american, and 1.37% claim 'Other'. 11.28% of the people in Newport, Oregon, claim hispanic ethnicity (meaning 88.72% are non-hispanic).
The diameter of a kimberlite pipe at the surface is typically a few hundred meters to a kilometer (up to 0.6 mile). Kimberlites are the most important source of primary diamonds. Many kimberlite pipes also produce rich alluvial or eluvial diamond placer deposits. However, only about 1 in 200 kimberlite pipes contain gem-quality diamonds.
Its characteristic color is used worldwide in prospecting for kimberlites. Most of the world's kimberlites occur in South Africa, where over 3,000 kimberlite pipes have been found. Over 200 are known in North America, of which about 40 occur near the Colorado-Wyoming state line. Important new discoveries have been made in northern Canada in the last decade.