Chalcopyrite

High school (ages 12+)
Science & Technology

Name:

Date:

Step 1 · Read the article

Open the article and read it at the level above. Then answer the questions below in your own words.

https://smallwhale.org/articles/chalcopyrite

Write what each word means, using the article.

Do not copy the article. Write two things you learned, the way you would explain them to a friend.

Answers below are taken from the article’s stored facts, so they match what the student read.

1. What is the mineral formula?CuFeS₂
2. What is the crystal system?Tetragonal
3. What is Chalcopyrite and why is it important?Chalcopyrite is a shiny, golden mineral that is the main source of copper. Copper is used in almost everything from electrical wires to kitchen pans.
4. How does Chalcopyrite form in the Earth?It forms when hot, sulfur‑rich fluids move through the Earth's crust and deposit copper and iron sulfides. This happens in places like porphyry deposits and hydrothermal veins.

Quaternary Sulfide: A mineral compound containing four elements, including sulfur.
Porphyry Copper Deposits: Large, low-grade copper deposits often associated with igneous intrusions.
Beneficiation: The process of improving the grade of an ore through physical or chemical means before extraction.
Solvent Extraction (SX): A process used in hydrometallurgy to selectively transfer a dissolved metal from one liquid solution to another.