Minerals

What are the characteristics of Talc?

• It has a hardness of 4, a glassy luster, and a white streak.

• It has a hardness of 2, a waxy luster, and a white streak.

• It has a hardness of 6, a waxy luster, and a white streak.

• It has a hardness of 1, a dull luster, and a white or gray streak.

Tags

NGSS.MS-PS1-2

Which mineral has a hardness of 4, a glassy luster, and a white streak?

• Flourite

• Talc

• Quartz

• Gypsum

Which mineral has a glassy luster, a white streak, and a hardness of 7?

• Flourite

• Talc

• Quartz

• Gypsum

Which mineral has a white streak, a waxy luster, and a hardness of 2?

• Calcite

• Gypsum

• Talc

• Feldspar

Which mineral has a hardness of 3, a glassy luster, and a white streak?

• Feldspar

• Flourite

• Gypsum

• Calcite

Which mineral has a hardness of 3, a glassy luster, and a white streak?

• Light test

• Hardness test

• Streak test

• Luster test

Which words are used to describe the luster of a mineral?

• Translucent, opaque, pretty

• Metallic, shiny, transparent

• Pearly, waxy, dull

Which best defines luster?

• How light bounces off a mineral

• How hard or soft a mineral is

• The shape of the mineral

Which best defines hardness?

• How light bounces off a mineral

• How hard or soft a mineral is

• How light goes through a mineral

Which mineral can scratch flourite?

• Talc

• Calcite

• Quartz