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Agate Facts

 

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The Saint Croix Rockhounds are very fortunate to be in an agate rich area. The glaciers were nice enough to release them from there volcanic bonds up North and drop them off on our doorstep when they receded. You can walk any of the gravel roads in the Twin Cities Metro Area and find Lake Superior Agates. Most of the road agates will be smaller than a quarter but it's a great way to get out and get some fresh air while rock-hounding. 

Here are some tips I have stumbled  upon while out rock hounding or from friends who are also afflicted with the rock hound fever.
Hit your favorite areas after a rain. Agates are harder than a lot of rocks 6.5-7 on the mohs scale so they stay wet and shiny longer than softer rocks. The wetness really brings out the color of many rocks and reveals there true beauty. 
Most people leave larger agates unpolished or will face polish one part of the rock to bring out it's beauty. Some people like to soak there agates in mineral oil so they have a sheen. If they are not wet they can be harder to spot like these two unpolished agates.   
I like to walk towards the sun looking for the tell tale translucent red lights laying on the ground. The Iron rich Jasper gives us this red color along with the white banding of chalcedony quartz.  Below are some back lit "eye agates" and a few typical banded agates. You can see the light pass through Them. These have been polished to a high shine.
Once you build up your experience finding these smaller agate seeds as I like to call them, it's time to try finding some larger stones. This is when I like to explore farmers fields (before planting or after harvest) looking for "potatoes" lying on top of the soil. Local creeks, river, and lake shores are also hot spots since they're wet. Just make sure you have permission and aren't tress-passing.
There is one other place to find agates and some of the larger fist sized "Pounders" have come out of gravel pits. These can be the hardest places to gain permission because of liability issues for the owners.     
The tools needed are as simple as your eyes, hands, and pockets. Once you gain a little experience you may want some sort of rock/gem scoop, an eye loop, and a rock pouch. It keeps your laundry cleaner and it's easier on your pockets.
 
So get out there and find some agates to show off.

 

 

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