Across
- 5. the arrangement of atoms inside the mineral
- 7. mineral group that forms from halogen elements combined with metallic
- 8. mineral group that contains compounds of sulfur combined with metals; they tend to be heavy and brittle
- 11. mineral group that contains metals combined with silicon and oxygen; largest group of minerals
- 13. measures the ratio of the weight of mineral to the weight of an equal volume of water
- 14. the color of a finely powdered mineral as obtained by scratching or rubbing the mineral over a plate
Down
- 1. measures a mineral's resistance to scratching
- 2. mineral group that is made of carbon, oxygen, and metal; they tend to be very soft and easily dissolve in water
- 3. mineral group that contains pure chemical elements
- 4. the appearance of rough surfaces of a mineral when it breaks randomly
- 6. mineral group that contains compounds of sulfur combined with metals and oxygen; they tend to be soft and translucent
- 9. the appearance of a mineral in the light.
- 10. the tendency of a mineral to break along certain directions yielding smooth, plane surfaces.
- 12. mineral group that forms from the combination of a metal with oxygen; they range from dull ores to gems