例文
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- Cyanotrichite forms velvety radial acicular crystal aggregates of extremely fine fibers.
- It occurs as prismatic to acicular transparent yellow to white orthorhombic crystals.
- It is a dark grey metallic mineral which forms acicular prismatic monoclinic crystals.
- Tight acicular radiating clusters and sphericules are common forms.
- It crystallizes as monoclinic prisms which occur as apple green acicular radiating clusters.