Properties of minerals

Front

What is a mineral?

Back

A mineral is a naturally occurring, inorganic solid with a definite chemical composition and a crystalline structure.

Front

What does luster refer to in minerals?

Back

Luster describes how light reflects off the surface of a mineral, indicating whether it is metallic or nonmetallic.

Front

What is the streak of a mineral?

Back

The streak of a mineral is the color of the powder it leaves when scratched on a streak plate.

Front

What does hardness mean in the context of minerals?

Back

Hardness measures a mineral's resistance to being scratched, often assessed using the Mohs scale.

Front

What is the Mohs scale?

Back

The Mohs scale is a scale from 1 to 10 used to rank the hardness of minerals, with talc at 1 (softest) and diamond at 10 (hardest).

Front

What is metallic luster?

Back

Metallic luster is a type of luster that gives minerals a shiny, reflective appearance, similar to that of metal.

Front

What is nonmetallic luster?

Back

Nonmetallic luster refers to a dull or glassy appearance in minerals that do not shine like metals.

Front

What is the difference between renewable and nonrenewable resources?

Back

Renewable resources can be replenished naturally over time, while nonrenewable resources, like many minerals, cannot be replaced once depleted.

Front

What does it mean for a mineral to be inorganic?

Back

Inorganic means that the mineral was never part of a living organism.

Front

What is an example of a mineral that can scratch quartz?

Back

Topaz is an example of a mineral that can scratch quartz.