what is a member of the feldspar group that is characterized by striations?

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what is a member of the feldspar group that is characterized by striations?

2007-02-05 17:29:37 · 2 answers · asked by Edmond 1 in Science & Mathematics ➔ Earth Sciences & Geology

2 answers

Striations are often visible on plagioclase.

Edmond, hope that and the website cited below both help!

(check out the third paragraph, and the diagram)

Good luck!

2007-02-05 17:40:28 · answer #1 · answered by hp-answers.yahoo 3 · 1⤊ 0⤋

I think you are referring to albite twinning which is commonly seen on plagioclase with a high sodium content.

2007-02-06 03:21:34 · answer #2 · answered by Anonymous · 0⤊ 0⤋