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Diamonds are not formed from highly compressed coal. Almost all commercially mined diamonds were formed in the conditions of extreme heat and pressure about 150 kilometers (93 mi) below the earth's surface. Coal is formed from prehistoric plants buried much closer to the surface, and is unlikely to migrate below 3.2 kilometers (2.0 mi) through ...
Answer: False – people can survive about three days, on average, without water. 75. All of your taste buds are on your tongue. Answer: False – you also have taste buds in your nose and sinuses ...
Diamond crystals in a diamond can also be present in the form of long and thin needles. These may not be visible to the naked eye, unless the needle inclusion is of a noticeable color or has a noticeable presence. Some needle inclusions are also known to give diamonds a special look.
Herkimer diamonds are double-terminated quartz crystals discovered within exposed outcrops of dolomite in and around Herkimer County, New York, and the Mohawk River Valley in the US. [ 1 ] [ 2 ] They are not diamonds ; the "diamond" in their name is due to both their clarity and well-formed faces.
GIFT allows someone to use a text editor to write multiple-choice, true-false, short answer, matching, missing word and numerical questions in a simple format that can be imported to a computer-based quizzes. The content is an UTF-8-encoded text file. Example:
The key difference between lab-grown and natural diamonds is their origins: Natural diamonds take billions of years to form, and lab-grown diamonds can be created in a matter of weeks.
They reported a diamond mine and produced a bag full of diamonds. They stored the diamonds in the vault of the Bank of California, founded by William Chapman Ralston. Prominent financiers convinced the "reluctant" Arnold and Slack to speak out on their find. The cousins offered to lead investigators to their field.
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