Tourmaline in gneiss. The elongated crystals (black) are deposits of the mineral tourmaline (schorl) embedded in gneiss rock. Gneiss is a metamorphic rock, one formed at high temperatures and pressures deep within the Earth's crust. The tourmaline has broken up under the pressures, forming the fragmented crystals seen here. This sample is 14 centimetres across.
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Details
Creative#:
TOP03207732
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
N/A
Right to Privacy:
No
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