[DOC] [TLE] Full text of "Diamonds in Arkansas: A Brief Account of the Discovery ... [PAR] Mines, Ltd., Kimberley, South Africa, ON Property of the Arkansas Diamond 
Company. ... as peridotite, a rock of a bluish green color, land known in Africa as 
Kimberlite, ... The harder varieties of the peridotite, which may -and do occur in 
the same ..... As to what the yield in carats per load (sixteen cubic feet) of this 
Arkansas... [DOC] [TLE] Prospecting for Diamonds in Kimberlite - ICMJ's Prospecting and ... [PAR] Kimberlite is just one of several rock types that contain diamond. ... states in the 
USnotably Arkansas, California, Colorado, Wyoming and Michigan. Most 
people assume kimberlite was discovered in South Africa, where it ... years prior 
to mica peridotite at Kimberley, South Africa being branded kimberlite by Carvil 
Lewis. [DOC] [TLE] Diamond Mining - Encyclopedia of Arkansas [PAR] Jun 8, 2016 ... The overall yield averaged about ten percent gem quality, with the remainder an 
... still covered a surface area larger than any of the original South African pipes. 
... the Kimberlite Diamond Mining and Washing Company, headed by ... The 
highest recorded yield from peridotite on the southeast slope came... [DOC] [TLE] Historical Reading: Diamonds in Arkansas - GIA [PAR] Annotated reading lists compiled on Diamonds in Arkansas. ... occurrence and 
some of the properties of the interesting gem-quality diamonds found in Arkansas
. ... peridotite in Arkansas and the diamondiferous kimberlite in South Africa. [DOC] [TLE] Crater of Diamonds State Park - Wikipedia [PAR] Crater of Diamonds State Park is a 911-acre (369 ha) Arkansas state park in Pike 
County, ... The only significant yields came from the original surface layer, where 
... to the park, and also because Arkansas was the first place outside South Africa 
where ... In addition to diamonds, visitors may find semi-precious gems such as... [DOC] [TLE] Rock Hounding & Prospecting [PAR] Apr 23, 2010 ... The book, Genuine Diamonds Found in Arkansas provides stories about the ... of 
kimberlites (diamond pipes) found elsewhere in Colorado, Kansas, Montana, ... 
Beautiful gem pyrope known as Cape Ruby in South Africa, spessartine ... 
Geology of Wyoming's Precious Metal Lode & Placer Deposits 1989,... [DOC] [TLE] History - Murfreesboro, Arkansas [PAR] Saline Creek rises near the central part of the county, flows south about ... The 
average yield for bottom land was 1,400 pounds and the uplands 800 pounds 
per acre. .... For most of its history the Crater diamond mine was in fact called a 
kimberlite ... the precious stones were found in the peridotite soil Kimberly, South 
Africa. [DOC] [TLE] Diamonds - Mineralogy & Prospecting [PAR] Nov 13, 2010 ... A blog about diamonds and how to identify the gemstone in nature. ... The 
Kimberley pipe in South Africa was expressed as a slight ... Rock exposures of 
kimberlite may yield magnetic signatures but are ... Fipke and others (1995) 
indicated that barren peridotite phases in Arkansas yielded magnetic highs,... [DOC] [TLE] Download for slow Internet - diamonds in Arkansas [PAR] Dec 25, 2003 ... You will then be able to seek and find some of these gems for yourself. ..... at that 
time, peridotite was just another one of many types of igneous rock. ... They 
classified it as kimberlite, like the diamond-bearing ground in South Africa. .... had 
written reports on precious stones for the U.S. Geological Survey. [DOC] [TLE] University of Texas course notes on Diamonds [PAR] They are the most popular of the "precious" gems. ... scarcity; the only major 
sources of diamond until the huge South African discoveries in the ... More 
sophisticated tests, required for distinguishing CVD diamonds and other flux 
grown stones, yield ... Arkansas and kimberlite within the so-called State-Line 
Kimberlite District... [DOC] [TLE] Diamond - Cosmeo [PAR] Mineral form of carbon valued as a precious stone and also used for various 
industrial ... All good gem diamonds are transparent; colorless stones, known as 
white ... child on the banks of the Orange River in South Africa in 1866 and 
identified as ... and a

Question: Kimberlite, a variety of peridotite, yields this precious gem in Arkansas & South Africa
Answer: diamond