History & Geology
How To Identify Minerals
August 2021 by Chris Ralph
There are a number of characteristics that are used when one identifies a mineral. Each characteristic gives an indication as to what the mineral might be, and the combination of them will point to what it is.
California: The Land of Big Nuggets—Part II
There are a number of Tertiary river channels in the area, most of which trend south-southwest. They tend to be steep, narrow, and rich with coarse gold.
Prospecting for Diamonds in Kimberlite
Kimberlite is very difficult for geologists to find, let alone prospectors and rock hounds. This is because kimberlite is rarely exposed on the surface and few people know how to identify the rock.
Prospecting Homonyms
Three homonyms come to mind when I think of gemstones, gold and vegetables: carrot, carat and karat. Let’s look at carrot first.
Prospecting for Diamonds
Let’s take a look at diamonds and diamond mining and see how they form, how they are used beyond just jewelry, and what leads geologists to find diamond deposits.
All About Minerals
There are several common ways that new mineral crystals form and grow. Perhaps the simplest is when minerals form through the cooling of molten rock and the atoms bond together into mineral crystals.
Gold Rush Continues in Africa
…some miners are doing exceptionally well… with a few obtaining amounts estimated in the millions of dollars.
Prospecting With The Help of Fluvial Geomorphology
Quiz yourself about the stream in figure 5. Based on your previous knowledge of where gold is found in a stream and in this article, where do you think you will find the most gold?
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The Bawl Mill
• Ask The Experts - Are pulse induction detectors the right tech for gold?
• Ask The Experts - Why can’t I find gold with my detector?
• Ask The Experts - Are two rock crushing machines (jaw crusher and chain crusher) necessary?
• Ask The Experts - Why am I finding only coarse gold, not fines in this area?
• Ask The Experts - Is the amount of gold reserves claimed by mining companies real or just hype?
• Chasing Hard Rock Gold As A Placer Deposit
• Gold Prospecting for Better or Worse: Bumbling Through A Gold Bonanza
• How Mesothermal/Orogenic Gold Deposits Form
• My Explosive Introduction to Gold Mining
• Georgetown CA: A Historically Rich Mother Lode Treasure
• Reminder: Annual Claim Filings and Fees Due
• Melman on Gold & Silver
• Mining Stock Quotes and Mineral & Metal Prices
