0iceng 3 years ago Agate and Quartz SiO2 is a hard mineral, still it is my fun to light it from the inside..
0iceng 3 years ago Looks to be Quartz combined with a jasper like protrusion both SiO2 and some compacted material that has been tumbled through geological time..Picture focus does not allow detail analysis..Other then a minor oddity there is no real value..
0icengiceng Answer 3 years ago Here is a quarter of (an agate) geode that cost $2..Which was tumbled then cut and finished..
0icengiceng Answer 3 years ago You recognize agate also SiO2 <==> silicone-dioxide by those formation lines which under microscopic examination resolve into the thousands of lines..
0RonnieI4iceng Answer 3 years ago thank you very much for your reply. I just gained a tremendous interest in stones/minerals signs their formation.
Comments
3 years ago
Agate and Quartz SiO2 is a hard mineral, still it is my fun to light it from the inside..
3 years ago
Looks to be Quartz combined with a jasper like protrusion both SiO2 and some compacted material that has been tumbled through geological time..
Picture focus does not allow detail analysis..
Other then a minor oddity there is no real value..
Answer 3 years ago
Here is a quarter of (an agate) geode that cost $2..
Which was tumbled then cut and finished..
Answer 3 years ago
You recognize agate also SiO2 <==> silicone-dioxide by those formation lines which under microscopic examination resolve into the thousands of lines..
Answer 3 years ago
thank you very much for your reply. I just gained a tremendous interest in stones/minerals signs their formation.