Abomasite

==Information==
Location: Ametrine Mountain
Available: After Badge 12
==Guide==
Fly to Fiore Mansion. Surf inside from the cascade.
Go up one waterfall. Go left and stand on the tile like in the right photo.
Slide left and slide down. Slide left and slide down again to be like in the right photo.
Slide right and slide up. Then slide left and slide up. 
Go all the way to the left and push the boulder left. Then return to the water and go up the waterfall.
Go left after you have just gone up the waterfall. Go down to reach the dive spot, then dive down.
Go into the cave opening in the bottom right corner. Go to the dive spot and resurface. Hop on land and to the right. 
Slide up and slide right. Then slide down and slide left.
Slide up, right, then up. Slide right, go down, then slide left. Go to the dive spot on the left and go down.
Go into the cave opening in the bottom. In the new area, go to the bottom left corner, then go into the cave opening.
Go left.