Dave Englund : photos : Agates Only : 2.5oz Lake Superior Agate; 5cm x 4cm x 3cm. Another water polished agate. Note the yellow regions in the lower-left. These are likely regions with higher iron content.- powered by SmugMug

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Dave Englund > Close-up of a Lake Superior slab agate.

$Dave Englund > 2.5-oz Lake Superior Agate; 4.5cm x 3.5cm x 3cm (about the size of a chestnut). "Water polished" - the smooth appearance is due to water running over the surface; the stone was probably in a creek bed. A "healed" fracture runs across the face. Has a beautiful banding design that looks like a lit flame.$

Dave Englund > 3.6 oz Lake Superior Agate (Saginite); 6cm x 5cm x 3cm.

Also, note crystal impressions in lower-center.

(Saginite - An acicular variety of rutile occurring in groups of crystals crossing at 60 degrees and often enclosed in quartz or other minerals.)

Dave Englund > Clearly showing the crystal impressions. Also, note the visible rutile fibers to the right.

Dave Englund > 3.4oz Lake Superior "Tube" Agate; 5.5cm x 4.5cm x 2.5cm.

For reasons as yet unexplained agates can form "tubes" instead of banding. This rock is a bit translucent, and you can just make out some of the wriggly tubes. It would probably be even more impressive if it were polished. Ah! A winter project!!

$Dave Englund > 2oz Lake Superior Agate; 5.2cm x 3.4cm x2.5cm. A fine little water polished agate with multiple fractures.$

Dave Englund > 1.5oz Lake Superior Agate; 4.2cm x 3cm x 2.7cm.

Al natural ("water polished," by virture of having spent hundreds of years in a creek bed with water running over it's surface).

Dave Englund > 2.5oz Lake Superior Agate; 5cm x 4cm x 3cm.

Another water polished agate. Note the yellow regions in the lower-left. These are likely regions with higher iron content.

Dave Englund > 5.75-oz Lake Superior Agate; 5.5cm x 4.5cm x 4cm.

2.5oz Lake Superior Agate; 5cm x 4cm x 3cm.

Another water polished agate. Note the yellow regions in the lower-left. These are likely regions with higher iron content.