Project in Labrador, Canada: The Radar drill program is advancing at a strong pace as the team is currently drilling the 5 th ...
In places this has differentiated into banded rocks of considerable variety, syenites, shonkinites, pyroxenites, and even magnetite rock. This series is not common in granite batholiths. It probably ...
it’s the light hitting magnetite that makes the obsidian appear colorful, rather than the mineral itself. As with other forms of obsidian, rainbow obsidian is both rock and glass. However ...
To make that call, you need to look in on the process [IllyriaD] used to collect magnetite sand and turn it into a wicked-looking chef’s knife. This began by collecting 150 pounds ...