Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 In a message dated 2/20/01 6:34:09 AM Pacific Standard Time, Mirador@... writes: << Corundum? I believe its a natural crystal >> in gems it is the same substances that make up the grinding powder mentioned as aluminum oxide - it just depends on how the crystals grow and to what grade of purity - ruby and sapphires are both AL2 O3. Vera Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 Hello Carborundum is a proprietary brand name for various different abrasives. >I think this substance is more commonly known as carborundum. > > Lee Owen Beith Freelance Translator ES/FR/PT->EN London E2 9JG +44 (0)20 8981 9879 Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 Hello Carborundum is a proprietary brand name for various different abrasives. >I think this substance is more commonly known as carborundum. > > Lee Owen Beith Freelance Translator ES/FR/PT->EN London E2 9JG +44 (0)20 8981 9879 Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 Carborundum? Its a generic name for abrasives made from silicon carbide. Corundum? I believe its a natural crystal Angel Romero Re: Corundum I think this substance is more commonly known as carborundum. Lee Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 Carborundum? Its a generic name for abrasives made from silicon carbide. Corundum? I believe its a natural crystal Angel Romero Re: Corundum I think this substance is more commonly known as carborundum. Lee Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 >>I think this substance is more commonly known as carborundum. << no, carborundum is silicon carbide, corundum is impure alumin(i)um oxide Hartelijke Groeten, * Bart * Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 I agree with Bart. I found both term defined as below in Wenske's Chemical Dictionary. Ursula -----Original Message----- >>I think this substance is more commonly known as carborundum. << no, carborundum is silicon carbide, corundum is impure alumin(i)um oxide Hartelijke Groeten, * Bart * Quote Link to comment Share on other sites More sharing options...
Guest guest Posted February 20, 2001 Report Share Posted February 20, 2001 I agree with Bart. I found both term defined as below in Wenske's Chemical Dictionary. Ursula -----Original Message----- >>I think this substance is more commonly known as carborundum. << no, carborundum is silicon carbide, corundum is impure alumin(i)um oxide Hartelijke Groeten, * Bart * Quote Link to comment Share on other sites More sharing options...
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