Question:
Kilap: Nonmetallic (vitreous) Kristal: Monoclinic/orthorhombic Kekerasan: 5-6 Belahan: Cleavage dua arah Warna: Hijau, hitam, cokelat Habit: Prismatic, acicular, dendritic Streak: Putih Kelompok: Silikat
Author: Ardian Annafi
Answer:
Pyroxene (augite)
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Author
Ardian Annafi