From Powder to Diamond: Exploring the World's Softest and Hardest Minerals

8th March, 2024

CHIRANJIT MITRA

● Mineral: Talc ● Description: Feels soapy, easily scratched by a fingernail 

Talc: The Softest of Them All

Gypsum: Soft and Sculptable

● Mineral: Gypsum ● Description: Used in plaster and drywall, scratched by a fingernail 

Calcite: Found in Seashells and Limestone

● Mineral: Calcite ● Description: The main component of limestone reacts to acid 

Fluorite: A Splash of Color

● Mineral: Fluorite ● Description: Comes in vibrant colors, used in toothpaste 

Apatite: The Mineral in Your Bones

● Mineral: Apatite ● Description: Key in bones and teeth, used in fertilizers 

Feldspar: Abundant and Versatile

● Mineral: Feldspar (Orthoclase) ● Description: The most common mineral group on Earth, used in ceramics 

Quartz: Crystal Clear and Durable

● Mineral: Quartz ● Description: Found in sand and granite, famous for its jewelry 

Diamond

The hardest naturally occurring substance, a symbol of strength and beauty