posted on Apr, 11 2014 @ 02:44 PM
Dont got the time to check the whole thread for replies. But as a geologist I can say that it definately looks like a piece of quarts... It looks to
me as there are the charachteristic conchoidal fractures that are typical for quartz.
When I saw the picture at first my immediate thought was ah a chunk of quartz... Reading through your post where you state that you found it near an
abandoned mine makes it clear that its 99.99999% is a piece of quartz youve found
Quarts can look alot different in aspect of colors or transparency But either way you can always tell its identity by its conchoidal fractures and its
hardness on the Mohs scale (7)
The value of it is ought to be very low. Mineral collectors always looks for the crystal to be in perfect crystal form (Euhedral) and this piece of
rock you guys found, is most likely a broken piece of a bigger crystal... Resulting in the value to be very low.. :/
Here is a picture of a big quartz crystal with a good crystal form
An easy way to identify if its quarts is to check with aspect to Mohs Hardness scale. Or if you really dont believe my judgement to be fair. Break a
little part of the stone and take it to closest university with a geology Section.
You can also Identify the rock by checking its chemical composistion. Like for instance with the use of a handheld XRF or a Secondary electron
microscope. Even make a thinsection of a piece and look at it in a microscope... You can identiy the mineral easily with its characteristic
I think that will be enough!
edit on 11-4-2014 by Explorarent because: (no reason given)