29 pcs 紫色, 藍色 坦桑石 - 5.00 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Species ......................................................................................................... 天然透辉石
Variety ..................................................................................................................... 坦桑尼石
DESCRIPTION
Shape & Cutting Style ..................................................................... 圆形，混合切工
Total Carat Weight .......................................................................................... 5.00 克拉
Color ................................................................................................................. 紫蓝色
Transparency .................................................................................................. 透明

Origin ......................................................................................................................... 坦桑尼亚
Origin determination is an expert opinion based on microscopic examination, spectroscopic features and
chemical trace element analysis.
COMMENTS
Total 29 stones. Average carat weight: 0.17 ct.
Tanzanite is commonly heated at low temperature to improve its color.
There is currently no scientific method available to determine whether this gemstone has been enhanced or not.
26 August, 2025
96875094