chapter 3: section 2. minerals what do you think some minerals may be used for? what makes some...
DESCRIPTION
Properties of Gems Gems are beautiful, rare, highly prized materials that can be worn in jewelry. They are clearer, brighter, or more colorful than common samples of minerals. Sometimes a gems crystal structure allows it to be cut and polished to a higher quality than a non-gem mineral. Example: Amethyst versus quartzTRANSCRIPT
Aim: What are some uses of minerals?
Chapter 3: section 2
Minerals
What do you think some minerals may be used for?
What makes some minerals more valuable than others?
Properties of GemsGems are beautiful, rare, highly prized
materials that can be worn in jewelry.They are clearer, brighter, or more colorful
than common samples of minerals. Sometimes a gems crystal structure allows it
to be cut and polished to a higher quality than a non-gem mineral.
Example: Amethyst versus quartz
Important GemsCullinan diamond – The world’s largest uncut
diamond ever.
Blue Hope Diamond
Useful GemsDiamonds – cut servicesRubies - used to produces different types of
laser lightQuarts crystals - used in electronics and time
pieces
Useful elements in a MineralOre – deposit in which a mineral exists in
large enough amounts to be mined at a profit.
Example:Magnetite