Mineralogy & Gemology Articles - Page 7 — Knoji
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This describes the copper carbonate mineral azurite and its use in pigments and jewelry.
Published by John Carter 89 months ago in Mineralogy & Gemology | +7 votes | 1 comments
This is about the gem andradite a beautiful stone in the garnet family. Andradite comes in many colors the brilliant green stone called dementoid rivals diamond' price.
Published by John Carter 90 months ago in Mineralogy & Gemology | +3 votes | 1 comments
Ametrine is a gemstone from Bolivia that is amethyst colored on one end and citrine colored on the other. The bicolor of this gemstone is caused by differential heat across the length of its crystal.
Published by John Carter 90 months ago in Mineralogy & Gemology | +6 votes | 1 comments
Alaska may hold more gold then any other state of the Union. A feature called the Tintina Gold Belt reaches all the way from northern British Columbia to the Alaskan Coast west of Anchorage, Alaska
Published by John Carter 92 months ago in Mineralogy & Gemology | +0 votes | 1 comments
Gold was originally found in New Mexico in 1829 by the Spaniards. Gold can be found throughout the state with many minerals especially copper minerals like azurite, malachite and turquoise.
Published by John Carter 92 months ago in Mineralogy & Gemology | +1 votes | 0 comments
Finding gold in California in 1849 touched off the gold rush of 1849. So many prospectors flocked to the gold in California the population exploded causing statehood in the year 1850.
Published by John Carter 92 months ago in Mineralogy & Gemology | +0 votes | 0 comments
This describes the Indian Wars and the discovery of gold in South Dakota. It also describes gold mining and prospecting that has occurred there.
Published by John Carter 92 months ago in Mineralogy & Gemology | +2 votes | 0 comments
The Bushvald Ignerous Complex of South Africa contains 90% of the world's known platinum group metals reserves. The Duluth Complex is the second largest igneous complex in the world in northeast Minnesota.
Published by John Carter 92 months ago in Mineralogy & Gemology | +2 votes | 0 comments
This is a description of some of the environments where gold is found.
Published by John Carter 93 months ago in Mineralogy & Gemology | +2 votes | 0 comments
Florida has no gold deposits, but a lot of Spanish treasure from shipwrecks and pirate attacks. Millions of dollars worth of this golden treasure has been recovered by treasure seekers.
Published by John Carter 93 months ago in Mineralogy & Gemology | +2 votes | 2 comments
A blowpipe has been used for goldsmithing work and mineral analysis for thousands of years. Its history goes back into antiquity and has survived until modern times when its use was supplanted by bunsen burners and spectroscopes.
Published by John Carter 94 months ago in Mineralogy & Gemology | +3 votes | 1 comments
Ther have been several great goldrushes in North America including those in the United States and Canada. The most famous was the Klondike Goldrush occuring in the Yukon Territory of Canada.
Published by John Carter 94 months ago in Mineralogy & Gemology | +3 votes | 0 comments
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