Re: [meteorite-list] Nickel found in hematite and magnetite?

2011-03-15 Thread Jim Wooddell
On Sun, Mar 13, 2011 at 7:26 PM, cdtuc...@cox.net wrote: Dan.  thank you for your info but, There is no way we are talking about the same XRF gun. Blain's gun does in fact give data in percentages as if the rock was assayed. I saw it with my own eyes. We did several test samples of real and

Re: [meteorite-list] Nickel found in hematite and magnetite?

2011-03-13 Thread cdtucson
Paul, I find tons of what you are describing. Color tests work on almost any amount of nickel and also give false positives based on knowing exactly what shade of red to look for. I don't know which red is the correct red. I have an AXE that tests bright red with a red color nickel test but in

Re: [meteorite-list] Nickel found in hematite and magnetite?

2011-03-13 Thread Dan Wray
over to the museum, we have much to share. Dan Wray - Original Message - From: cdtuc...@cox.net To: Paul G. Spears pgspe...@cox.net; meteoritelist meteorite-list@meteoritecentral.com Sent: Sunday, March 13, 2011 9:37 AM Subject: Re: [meteorite-list] Nickel found in hematite

Re: [meteorite-list] Nickel found in hematite and magnetite?

2011-03-13 Thread cdtucson
Sent: Sunday, March 13, 2011 9:37 AM Subject: Re: [meteorite-list] Nickel found in hematite and magnetite? Paul, I find tons of what you are describing. Color tests work on almost any amount of nickel and also give false positives based on knowing exactly what shade of red to look

[meteorite-list] Nickel found in hematite and magnetite?

2011-03-12 Thread Paul G. Spears
In a specimen that may be a hematite, a strong presence of nickel was found. Is that possible? While the specimen is very attractive to magnets, tests positive for nickel, and looks and weighs like iron, it has many pock marks and some white inclusions that may be quartz. Anyone come across