Rocks from Greenland, can you help identify?

kblackphoto

Jr. Member
Nov 17, 2009
54
6
New Zealand
Detector(s) used
nokta makro pinpointer
Primary Interest:
Metal Detecting
IMG_6214.jpg IMG_6221.jpg IMG_6218.jpg IMG_6220.jpg
its much harder to id rocks so not having much luck on google.
 

stdenis_jd

Hero Member
May 7, 2015
513
576
West Lower Peninsula, MI
Primary Interest:
Prospecting
check #s 2, 3 & 4 in sunlight vs. dim indoor lighting...Greenland has tenebrescent rocks such as hackmanite & tugtupite, those look like possibilities although unlikely. if you have a long wave and/or short wave UV light, see if any of them fluoresce

EDIT: the white ones are also possibly cryolite. Can you check the hardness? See if a steel knife will leave a scratch/gouge in the rock, then try copper (not a penny bc they aren't really copper anymore :tongue3:)
 
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