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At the top of the mine, long black veins of compressed mica ran along the walls. But the most striking part were the huge black tourmalines embedded lower down in the mine, directly in the rock walls, many of them as big as my arms (4th photo, note the rockhammer for perspective, and 5th photo). More pressure lower in the mine had grown tourmalines instead of mica veins. The tourmalines made a variety of shapes in the walls including parallel lines, fans, bullet like blobs formed from an end on view, and even in some places, meandering lines as if black paint had been splashed against the walls. The walls were steep and in many places, deep pockets had been dug into the walls, but Sesame Pooch easily danced up the sides using tiny footholds that only a dog could find. In a corner of the mine, Sesame also found a small 'short cut' tunnel that also led out of the mine (6th photo just above) We spent considerable time investigating and collecting bits of black tourmaline, until Dave found another hole in the ground further away.
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