Meet Black Ore :3
 
She is a geological pony, who is specialized in mineralogy and is dedicated to collecting the most precious jewels that she obtains on her adventures in the wild.
 
She is also very good at studying the soils where oil is found, so she can afford trips to the most exotic places where she explores. Currently works in a mine, to help find oil, coal and any other useful things she and the minding crew can find.
 
She is very cheerful but sometimes very cold as stone when she talks to oil investors, as she feels like a lot of them only care about profits and not the safety and care of the ponies who work for them. She is also close friends friends with Maud Pie as well, and thw two can go on and on for hour about rocks and minerals.