BK-J4Q-X8 - Tourmaline

Gem(s)

Tourmaline : AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

Locality

Mindat locality:

Dimensions

6.01mm x 3.14mm x ?mm

weight: 0.25 carats

� � �

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Certificates

Description

This gem is from a piece of rough that was mined by Dean McCrillis in the early 1970's.

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Mineral(s)

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8,544 gemdatids have been issued as of 4th Nov 2025 9:15 pm UTC