Scientists figure out origin of cobalt-blue spinel in Canada's Arctic
By A Mystery Man Writer
Description
Small spinel stones with good transparency and fine cobalt-blue colour can sell for about 10 times the price of a comparable sapphire.
Spinel: Mineral information, data and localities.
Spinel Specimens 9 x 7 x 4mm 1.7 cts Auction #2047916 Gem Rock Auctions
RARE Color- 1.7cts/ Natural Unheated Cobalt Blue Spinel(never seen before)
b Three different Cobalt spinel are shown. On the left are 2
List of Blue Gemstones – Names, Meanings, & Interesting Facts — Fierce Lynx Designs
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Scientists figure out origin of cobalt-blue spinel in Canada's Arctic
Scientists figure out origin of cobalt-blue spinel in Canada's Arctic
Origin of ultrahigh pressure and highly reduced minerals in podiform chromitites and associated mantle peridotites of the Luobusa ophiolite, Tibet - ScienceDirect
Spinel - Wikiwand
from
per adult (price varies by group size)