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Ishita das Asked a Question
December 10, 2020 11:45 pmpts 30 pts
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  • Geology (GG)

An eight-sided basal section of a mineral containing two sets of cleavages at an angle of 90° is a) hornblende (b) diopside (c) caleite (d) sanidine

An eight-sided basal section of a mineral containing two sets of cleavages at an angle of 90° is A) Hornblende (B) Diopside (C) Calcite (D) Sanidine
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  • Rahul pandey Best Answer
    Answer (b) Diopside Diopside is a type of Pyroxene. Pyroxene minerals have two sets of cleavage at 90° and eight sided basal section. Hornblende minerals have two sets of cleavag...
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    Ishita das
    But sanidine also has cleavages intersecting at 90 degrees right? Sir please correct me if I m stating wrongly.
  • Sajan sarthak thankyou
    it's a pyroxene that is diopside 87 and 93 are the angles
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    Ishita das
    But sanidine too has cleavages intersecting at 90 degrees right? Correct me if I am wrong.