Parmcat Posted July 12 Report Share Posted July 12 Seems to either have a seam, it it's been glazed twice. What do I have here? 1 Link to comment Share on other sites More sharing options...
Fire1981 Posted July 12 Report Share Posted July 12 That’s a machine made mineral sphere🔥 RAR 1 1 Link to comment Share on other sites More sharing options...
Parmcat Posted July 12 Author Report Share Posted July 12 12 minutes ago, Fire1981 said: That’s a machine made mineral sphere🔥 RAR Ok...this is brand new to me. I am going to research what that means, but if you can shed some light, that would be awesome! 1 Link to comment Share on other sites More sharing options...
Ric Posted July 12 Report Share Posted July 12 It is stone that has been shaped into a marble. Back in the day some were hand faceted (mainly agates), meaning that they were actually ground down by hand on large abrasive wheels. A bit later they were made using water-driven marble mills. These days they are typically machine-made using an orb grinder/polisher - hence, a stone or mineral sphere. Yours looks pretty out-of-round to me - how does it roll? That is the most important thing for a marble. It may have been made by a hobbyist. 1 1 Link to comment Share on other sites More sharing options...
Parmcat Posted July 12 Author Report Share Posted July 12 2 hours ago, Ric said: It is stone that has been shaped into a marble. Back in the day some were hand faceted (mainly agates), meaning that they were actually ground down by hand on large abrasive wheels. A bit later they were made using water-driven marble mills. These days they are typically machine-made using an orb grinder/polisher - hence, a stone or mineral sphere. Yours looks pretty out-of-round to me - how does it roll? That is the most important thing for a marble. It may have been made by a hobbyist. That is awesome! Will check the roundness later. It the world of marbles, where do stone marbles fall? Do purests frown upon stone marbles, it are they a niche within a niche? 1 Link to comment Share on other sites More sharing options...
Fire1981 Posted July 12 Report Share Posted July 12 Not frown upon. I like to ones I have. Again....collect what you like🔥 RAR 1 1 Link to comment Share on other sites More sharing options...
Ric Posted July 12 Report Share Posted July 12 4 hours ago, Parmcat said: It the world of marbles, where do stone marbles fall? Do purests frown upon stone marbles, it are they a niche within a niche? Like Fire said, definitely collect what you like. I like old stone marbles quite a bit. But beyond agates, they are more of a niche for marble collectors.But there are all sorts of rock hounds and mineralogists who collect modern mineral spheres, most of which, aren't really marbles made for play. 1 1 Link to comment Share on other sites More sharing options...
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