Sugilite

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/sugilite

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. Who discovered Sugilite?Iwagi Islet, Japan
2. What is the chemical formula?KNa2(Fe, Mn, Al)2Li3Si12O30
3. What is the crystal system?Hexagonal
4. Why does sugilite look purple?The purple color comes from the iron and manganese atoms inside the mineral. These elements give sugilite its bright pink and purple shades that sparkle like a jewel.
5. Where can you find sugilite?Sugilite is found in special places around the world, like Japan, Canada, South Africa, Italy, Australia, and India. It grows in deep, cool rocks that were once molten magma.

Cyclosilicate: A mineral group characterized by the presence of silicon-oxygen tetrahedra arranged in six-membered rings.
Aegirine Syenite: An intrusive igneous rock rich in alkali feldspar and the mineral aegirine.
Strata-bound Deposit: A mineral deposit that is confined to a specific rock layer or stratum.