Quarterly Crystal:Growth Features on Titanite
Dramatic growth features are found on the surface of a titanite specimen from Russia.
Apatite Cluster in Orthoclase Feldspar
An apatite crystal cluster, notable for its morphology and size, is found in a feldspar specimen.
Ferropericlase Inclusion in Diamond
An iridescent inclusion may reveal a diamond’s subsurface origin.
Quartz Windows in Chalcedony
Transparent windows in chalcedony show Brazil-law twinning that vary as the piece is moved.
Curved Tubes in Blue Sapphire
Curved linear inclusions, unusual in corundum, are found in sapphire acquired in Vietnam.
Sphalerite Inclusions in Namibian Demantoid
A rare inclusion scene is found in a garnet crystal from Namibia.
Synthetic Quartz: A Designer Inclusion Specimen
A collectable inclusion specimen is created by introducing garnets to synthetic quartz during the growth process.