Pallasitic Peridot with Iridescent Needle-Like Inclusions
Numerous needle-like inclusions exhibit vibrant interference colors in a suite of pallasitic peridot from the Jepara meteorite.
Triplite in Beryl
Orange crystal inclusion identified as the rare mineral triplite in a beryl from Pakistan.
Quarterly Crystal: Unknown Inclusion in Triphane Spodumene
Afghani spodumene hosts an unidentified translucent orange crystal surrounded by an iridescent cleavage halo.
Phenomenon Resembling Play-of-Color in Sapphire
A phenomenon resembling play-of-color was seen in a 4.13 ct unheated sapphire recently examined by the author.
Reversible Twinning in Neodymium Pentaphosphate
Application of slight pressure perpendicular to the twinning planes reveals the unusual property of this synthetic gem.
Staurolite in Ruby
Conspicuous bright brownish red crystals in ruby matrix are the first recorded observations of staurolite in corundum.
Diamond with Mobile Green Diamond Inclusion
Diamond inclusions are relatively common guests in diamond crystals.
Actinolite in Spinel
A vivid cobalt blue spinel from Vietnam contains the first reported inclusion of actinolite in spinel.
Bavenite in Quartz
Faceted quartz contains numerous unusual white radial inclusions identified as bavenite.