Concept Review PDF
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This document is a concept review for minerals, describing terms and definitions like fracture, streak, radioactivity, density, etc. It contains matching questions and seems to be part of a learning resource rather than a formal exam paper.
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## Concept Review In the space provided, write the letter of the definition that best matches the term or phrase. | Term | Definition...
## Concept Review In the space provided, write the letter of the definition that best matches the term or phrase. | Term | Definition | | :--------------------------------- | :-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | | 1. fracture | e. the way in which a mineral breaks along irregular or curved surfaces | | 2. streak | d. the color of a mineral in powdered form | | 3. radioactivity | i. the decay of a mineral's unstable atomic nuclei over time | | 4. density | g. the ratio of mass to volume in a substance | | 5. magnetism | j. the ability of a mineral to attract iron | | 6. chatoyancy | f. the cat's eye effect in minerals | | 7. cleavage | b. the tendency of a mineral to form smooth, flat surfaces along breaks | | 8. fluorescence | c. the ability of a mineral to glow under ultraviolet light | | 9. luster | a. the way in which a mineral reflects light | | 10. asterism | h. the appearance of a six-sided star shape when a mineral reflects light | In the space provided, write the letter of the answer choice that best completes each statement or best answers each question. | Statement | Answer | | :-------------------------------------------------------------- | :---------------------------------------- | | 11. Which of the following describes silicate crystalline structures? | b. double-chain, hexagonal, tetrahedron | | 12. A framework silicate is one in which | c. each tetrahedron is bonded to four others. | | 13. A mineral is a natural, inorganic solid that has characteristic chemical composition, | a. an orderly internal structure, and characteristic physical properties. |
