venwood Posted September 11, 2014 Report Share Posted September 11, 2014 Is this common with Micas it has a core going from pole to pole. http://www.ebay.com/itm/MARBLE-ANTIQUE-GERMAN-HANDMADE-AQUA-BLUE-WHITE-MICA-WITH-A-DARK-CORE-770-3-4-/261590779030? Link to comment Share on other sites More sharing options...
Steph Posted September 11, 2014 Report Share Posted September 11, 2014 You often hear about ghost cores. I don't know about dark cores. Link to comment Share on other sites More sharing options...
MarbleDawg86 Posted September 12, 2014 Report Share Posted September 12, 2014 I have a clear one with the same... I'll see if I can get a pic sometime soon Link to comment Share on other sites More sharing options...
lstmmrbls Posted September 12, 2014 Report Share Posted September 12, 2014 It is fairly common. Link to comment Share on other sites More sharing options...
ann Posted September 12, 2014 Report Share Posted September 12, 2014 It is fairly common. Yep. Most of the time, if you look closely, they're actually kind of a pond-scum green. Easier to see in colorless and light blue ones. Link to comment Share on other sites More sharing options...
MarbleDawg86 Posted September 12, 2014 Report Share Posted September 12, 2014 Here ya go! Pond -scum green exactly like Ann said! Link to comment Share on other sites More sharing options...
ann Posted September 12, 2014 Report Share Posted September 12, 2014 Micas are one of my terrible weaknesses . . . Link to comment Share on other sites More sharing options...
lstmmrbls Posted September 12, 2014 Report Share Posted September 12, 2014 Thought to be caused by the iron punty. Link to comment Share on other sites More sharing options...
venwood Posted September 13, 2014 Author Report Share Posted September 13, 2014 I thought that these were taken off a cane? Link to comment Share on other sites More sharing options...
lstmmrbls Posted September 13, 2014 Report Share Posted September 13, 2014 The cane is pulled from a large "marble" that is made on a punty. Link to comment Share on other sites More sharing options...
I'llhavethat1 Posted September 15, 2014 Report Share Posted September 15, 2014 You see this more often on Micas than other cane marbles. Maybe it's the glass clarity (or lack of other colors/patterns) that makes it more visible on Micas Link to comment Share on other sites More sharing options...
aleecee Posted September 17, 2014 Report Share Posted September 17, 2014 Good discussion...I have several pond-scum cores as well. Always wondered..why?? Link to comment Share on other sites More sharing options...
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