Sillimanite Flashcards by Travis Gilskey

Q

What is sillimanite’s formula?

A

Al2SiO5

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is sillimanite’s crystal system?

A

tetrahedral

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is sillimanite’s hardness?

A

6.5-7.5

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is sillimanite’s cleavage?

A

{010} perfect (pinacoidal)

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is sillimanite’s occurrence?

A

pelitic metamorphic rocks

How well did you know this?

1

Not at all

2

3

4

5

Perfectly

Q

What is P/T of sillimanite?

A

high temperature

How well did you know this?

1

Not at all

2

3

4

5

Perfectly