Sillimanite: Interactive MCQ Quiz
Choose one answer for each question, then select Submit Quiz. Your score and explanations will appear below.
1. Who was sillimanite named after?
2. What general color range does the book give for sillimanite?
3. Which colors may sillimanite show from different angles?
4. What name is often given to sillimanite material that resembles fibers?
5. What crystal arrangement can give sillimanite a fibrous appearance?
6. Where does the book say sillimanite occurs?
7. Where does the book report blue and violet sillimanite stones?
8. Where does the book say greenish gray sillimanite stones occur?
9. Where does the book list fibrolite?
10. Which set of properties matches sillimanite in the book’s table?
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