A solid substance with a fairly well-defined chemical composition and a specific crystal structure that occurs naturally in pure form.

The state or quality of shining by reflecting light

It is the most lustrous mineral

It is the hardest known mineral with a mohs hardness of 10

What is the softest mineral on the mohs scale?

It is a physical property of a mineral that is not a good diagnostic property and cannot be relied on to identify a mineral

The color of a mineral in powdered form

What is the streak of quartz?

The breaking down or dissolving of rocks and minerals on Earths surface. May hide the color of minerals

Refers to geometric shape of mineral crystals

If minerals break smoothly, along predetermined planes, the minerals are said to have __________

If a mineral does not have any cleavage, it is said to have an irregular breakage pattern called ___________

The density of a substance relative to water

Minerals containing silicon and oxygen in tetrahedral units

Compounds with one or more oxygen atoms combined with another element

Minerals in which the dominant anionic entity is the sulfate ion

Minerals containing Ca, Mg, Fe, and Mn

A binary compound, of which one part is halogen atom and the other part is an element or radical that is less electronegative than halogen

Any member of a group of compounds of sulfur with one or more metals

A sulfate mineral that is widely mined and is used as a fertilizer and as the main constituent in many forms of plaster, drywall and blackboard or sidewalk chalk.