Rocks and Minerals Question Marathon

User avatar
LoopQuantumGravity
Member
Member
Posts: 20
Joined: April 6th, 2012, 6:58 pm
Division: B
State: ID
Has thanked: 0
Been thanked: 0

Re: Rocks and Minerals Question Marathon

Post by LoopQuantumGravity »

[img]https://encrypted-tbn0.google.com/images?q=tbn:ANd9GcTaL3P0kjxhzhqDhZOLWKYyr5uesXQc63l_ZctiJ1JkPye6cYHI[/img]
1. Name 3 minerals that have this arrangement of silicon-oxygen tetrahedra.
2. What type of cleavage is common in minerals with this structure?
3. What is the name for this group of silicates?
4. What is the ratio of silicon to oxygen in this group of silicates?
nerdygirl
Member
Member
Posts: 1
Joined: August 11th, 2012, 4:52 pm
Division: C
State: NC
Has thanked: 0
Been thanked: 0

Re: Rocks and Minerals Question Marathon

Post by nerdygirl »

[hide]1. Name 3 minerals that have this arrangement of silicon-oxygen tetrahedra.
Talc, Biotite, Muscovite, Kaolinite, Lepidolite
2. What type of cleavage is common in minerals with this structure?
Perfect
3. What is the name for this group of silicates?
phyllosilicates
4. What is the ratio of silicon to oxygen in this group of silicates?
2:5[/hide]
User avatar
hotchocolate123
Member
Member
Posts: 89
Joined: November 27th, 2011, 3:43 pm
Division: B
State: TX
Has thanked: 0
Been thanked: 0

Re: Rocks and Minerals Question Marathon

Post by hotchocolate123 »

We should start the thread up again....
2014 Nationals:
Heredity (5th) Water Quality (7th)
2013 Nationals:
Forestry (4) Heredity (9) Rocks & Minerals (5)
2012 Nationals:
Forestry (3) Rocks & minerals (7) Aquifers (13)
eox
Member
Member
Posts: 32
Joined: July 15th, 2012, 1:35 pm
Division: C
State: CA
Has thanked: 0
Been thanked: 0

Re: Rocks and Minerals Question Marathon

Post by eox »

we really should. i'm looking forward to this season :lol:
Locked

Return to “2012 Study Events”

Who is online

Users browsing this forum: No registered users and 2 guests