[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 si

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 a

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

2011-03-13 Thread Dan Wray
ed to come over to the museum, we have much to share. Dan Wray - Original Message - From: To: "Paul G. Spears" ; "meteoritelist" Sent: Sunday, March 13, 2011 9:37 AM Subject: Re: [meteorite-list] Nickel found in hematite and magnetite? Paul, I find tons of what y

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

2011-03-13 Thread cdtucson
----- > From: > To: "Paul G. Spears" ; "meteoritelist" > > 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. > > C

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

2011-03-15 Thread Jim Wooddell
On Sun, Mar 13, 2011 at 7:26 PM, 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 well known