What the name for the color of the powder left behind when a mineral is rubbed across aa hard surface

Orion the hunter is known for two navigational stars. which pair of stars are they?

Why did ohio and michigan have such conflict over their state boundaries

Question 15 of 50 which of the following equipment is strongly recommended when cleaning a firearm? a, arm guards a, arm guards arm guards b, black powder or its equivalent b, black powder or its equivalent black powder or its equivalent c, bullet puller c, bullet puller bullet puller d, latex gloves d, latex gloves latex gloves