Definition

A bright green to blue-green mineral made of copper, often found in certain types of rocks.

Example

The geologist was excited to find a large piece of dioptase during the mineral hunt.

Conversation

Have you ever seen a piece of dioptase?

No, I haven't! What does it look like?

It's this stunning emerald-green mineral, really vibrant.

That sounds beautiful! I’d love to see one in person.

Synonyms & Antonyms

Root Explanation

Dioptase is derived from the Greek "dia-" (meaning through) and "optasthai" (meaning to see). The word refers to the mineral's transparency, allowing light to pass through and be seen clearly.

Memory Tip

Think of 'seeing through' ('dia-' means through and 'optasthai' means to see) to remember that dioptase is a mineral known for its transparency.

Visually Confused Words