Non Silicate Minerals

Question 1

Contain carbonate ion plus something else

Example: calcite

Answer 1

Carbonate minerals

Question 2

Minerals with halogen elements

Example:

Nacl - halite

CaF2 - fluorite

Answer 2

Halides

Question 3

Minerals with oxygen
Without silicon

Example:

Corundum - ruby red gem
- sapphire blue

Hematite

Answer 3

Oxides

Question 4

Contain sulfur
No oxygen

Example:

Pyrite
Chalcophyrite
Galena

Answer 4

Sulfides

Question 5

Contains sulfur and oxygen

Example:

Gypsum - caso4 . 2H2O

Anhydrite - caso4

Answer 5

Sulphates

Question 6

Contain OH ion

Examples:
Gibbsite
Aluminum hydroxides
Limonite

Answer 6

Hydroxides

Question 7

Contain phosphorus and oxygen

Example:

Apatite

Answer 7

Phosphates

Question 8

• Almost minerals
• has variable amount of water
• example:amber - fossilized tree sapOpal

Answer 8

Mineraloids

Question 9

• 10 to 20 or so

- minerals that make up most of the rocks

Answer 9

Rock forming minerals

Question 10

• found fairly commonly in rocks
• but small quantities
• may help distinguish one version of rock from another
• example:Granite with tourmaline
  Granite with sphere

Answer 10

Accessory minerals

Question 11

Usually metallic minerals
With high economic value
(Stuff we mine)

Example:

Gold
Silver
Chalcopyrite

Answer 11

Ore minerals

Question 12

High lustre minerals that are very shiny and pretty
Hard, durable and valuable
Usually controlled by cartel (group that controls the supply) hence its price

Answer 12

Gems

Question 13

Not quite hard enough

Not scarce enough or pretty enough to be precious gems

Answer 13

Semi-precious gems