Which mineral will scratch fluorite galena and pyroxene

"Olivine" is the mineral that will scratch fluorite galena and pyroxene.

Olivine is a standout amongst the most widely recognized minerals in the earth, and is a noteworthy rock forming mineral. In spite of this, great examples and extensive precious stones are exceptional and looked for after. Just couple of areas yield expansive cases of this mineral, although little and tiny grains are discovered around the world. Olivine is additionally found in meteorites, and huge grains have been accounted for in a large number of them.