>  Term: warwickite
warwickite

An orthorhombic mineral, (Mg,Ti,Fe,Al)2(BO3)O ; forms dull, brownish-black prismatic crystals having perfect cleavage.

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작성자

  • ed.young
  • (Milwaukee, United States)

  •  (V.I.P) 21084 포인트
  • 100% positive feedback
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