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Identity HelpYellow mineral help on calcite from NJ

6th Nov 2019 03:37 UTCBrian Fussell

09999590015730112465502.jpg
This calcite specimen is from either Franklin or Sterling hill and has some franklinite crystals and small amount of willemite, but I dont know what these yellow minerals are, they do not fluoresce. So not being all that familiar with this NJ material I was hoping someone here might have an idea what they could be.

6th Nov 2019 03:38 UTCBrian Fussell

09301630015730115132668.jpg
same one  different angle

6th Nov 2019 03:39 UTCBrian Fussell

08669130015730115492047.jpg
different section of the rock.

6th Nov 2019 03:41 UTCBrian Fussell

00028410015730116009834.jpg
and another one found on the rock.

6th Nov 2019 03:52 UTCSteven Kuitems Expert

Andradite grains and masses of different sizes, very common at both Franklin and Sterling mines.

6th Nov 2019 03:43 UTCKevin Conroy Expert

Sphalerite?

6th Nov 2019 04:03 UTCDana Slaughter

Agree with Steven....very, very common at Franklin and Sterling mines.

8th Nov 2019 13:48 UTCBrian Fussell

Now that I have taken a closer look some of my other similar specimens I see what you mean as being very common, I was thinking sphalerite like Kevin suggested on these previously.

6th Nov 2019 04:46 UTCBrian Fussell

Thank you.
 
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