minerals by will S

define mineral?

• A mineral is a naturally occurring inorganic solid that has a specific chemical composition and a crystalline structure.
• A mineral is a living organism that is found in the ocean.
• A mineral is a type of rock that is formed from the accumulation of sediment.
• A mineral is a man-made substance that is used for industrial purposes.

define luster?

• The color of a mineral, rock, or crystal.
• The way light interacts with the surface of a mineral, rock, or crystal
• The hardness of a mineral, rock, or crystal.
• The weight of a mineral, rock, or crystal.

define Moh's hardness scale.

• A scale used to measure the color of minerals.
• A scale used to measure the weight of minerals.
• A scale used to measure the softness of minerals.
• A scale used to measure the hardness of minerals.

define a fracture in a mineral.

• The way a mineral changes color when exposed to light.
• The process of a mineral turning into a liquid state.
• The way a mineral breaks or cleaves when subjected to stress or force.
• The process of a mineral forming from molten rock.

define a streak in a mineral

• The streak in a mineral is the color of its powdered form.
• The streak in a mineral is the shape of its crystal structure.
• The streak in a mineral is the temperature at which it melts.
• The streak in a mineral is the weight of the mineral.

what is the chemical composition of steel

• Copper and carbon
• Aluminum and carbon
• Iron and carbon
• Iron and oxygen

what is the crystal structure of iron

• amorphous
• hexagonal close-packed (HCP)
• body-centered cubic (BCC)
• face-centered cubic (FCC)

pick the write definition for the word cleavage in a mineral

• is the tendency of a mineral to break along specific planes of weakness, producing smooth, flat surfaces.

• The process of a mineral changing its chemical composition over time
• The ability of a mineral to resist scratching or abrasion
• The process of splitting a mineral into smaller pieces