Rocks & Minerals B/C 2017

[azuritemalachite]

Not sure about the first one (Click to Show Hidden Text)

1) Pegmatite 2) Breccia

[Magikarpmaster629]

Not sure about the first one (Click to Show Hidden Text)

1) Pegmatite 2) Breccia

Both wrong!

[Magikarpmaster629]

Since no one is answering it's (Click to Show Hidden Text)

1. Rhyolite and 2. Andesite

Anyone can go now

[John Richardsim]

Fill in the blanks (Click to Show Hidden Text)

[img]http://i.imgur.com/IQL3JNQ.png[/img]
(Taken from the Minerals Identification Flowchart on soinc)

[Magikarpmaster629]

Fill in the blanks (Click to Show Hidden Text)

[img]http://i.imgur.com/IQL3JNQ.png[/img]
(Taken from the Minerals Identification Flowchart on soinc)

Okay (Click to Show Hidden Text)

1. Galena
2. Goethite
3. Olivine
4. Malachite

[John Richardsim]

Fill in the blanks (Click to Show Hidden Text)

[img]http://i.imgur.com/IQL3JNQ.png[/img]
(Taken from the Minerals Identification Flowchart on soinc)

Okay (Click to Show Hidden Text)

1. Galena
2. Goethite
3. Olivine
4. Malachite

All right (number 2 is actually hematite, but given the description in the flowchart your response applies).

Your turn.

[Magikarpmaster629]

Gah, hematite is annoying. Anyway:

1. What kind of diagram is this and what is it used for?
2. What is the mineral group described in the diagram?

[azuritemalachite]

All right (number 2 is actually hematite, but given the description in the flowchart your response applies).

For future reference, goethite is not silver and is also not metallic (also kind of magnetic? I remember seeing a goethite/limonite specimen that was just barely magnetic). Sorry, I just wanted to kind of clear that up.

[Unome]

Gah, hematite is annoying. Anyway:

1. What kind of diagram is this and what is it used for?
2. What is the mineral group described in the diagram?

Things I know! (Click to Show Hidden Text)

1. Solid-solution series
2. Feldspar

[Magikarpmaster629]

Gah, hematite is annoying. Anyway:

1. What kind of diagram is this and what is it used for?
2. What is the mineral group described in the diagram?

Things I know! (Click to Show Hidden Text)

1. Solid-solution series
2. Feldspar

I was looking for what the diagram is called, which is a ternary diagram, but otherwise correct!