Large Aqueous Primary Fluid Inclusion in Amethyst
A strikingly large primary fluid inclusion with a gas bubble was seen in a Moroccan amethyst.
Composite Amber with an Unusual Structure
This 9.12 gram amber composite featured a combination of natural and imitation amber, accompanied by natural and artificial insect inclusions.
Crowningshieldite: A New Mineral
A newly discovered mineral, crowningshieldite, was accepted on September 18, 2018, by the International Mineralogical Association.
Demantoid Garnet with Giant Fluid Inclusion
A large fluid inclusion within a demantoid garnet from Madagascar provides insight into the source’s mineralization.
Color-Change Garnet in Diamond
This diamond contained an inclusion of pyrope-spessartine garnet that appeared grayish green in fluorescent light and purplish red in incandescent light.
Update on Russian Demantoid Production
Alexey Burlakov shares insights on the current production of Russian demantoid and emeralds.
Large Star Emerald
An emerald reportedly from Madagascar is cut to show asterism, a rare phenomenon in this material.
Rare “Star and Cross” Quartz from Brazil
Two quartz specimens showing asterism and cross-shaped inclusions are analyzed.
An Interesting Rose Quartz from Madagascar
A new find of rose quartz from Madagascar contained some unusual inclusions.
Bismuthinite Inclusions in Rose Quartz from Madagascar
Eye-visible inclusions are common in almost all quartz varieties except rose quartz.