Research Article Search Results

Characterization of “Orange Peel” Surface Microstructure of White Nephrite from Russia: A Unique Pseudomorph Pattern
Examines correlations between surface microstructures and the orange peel effect in Russian white nephrite, proposing a formation model and revealing distinctive microfeatures specific to the material.

A Guide to Diamonds with the 480 nm Absorption Band
Summarizes the features of 480 nm band diamonds, including chameleon diamonds and those with unmodified orange hues, for rapid identification or advanced gemological testing.

Gaseous Carbon Dioxide Phases in Paraíba Tourmaline
Immiscible two-phase fluid inclusions are investigated in a 0.48 ct Paraíba tourmaline.

External Morphology and Internal Zonal Structure of Macle Diamond
Investigates the morphological changes of macle diamonds during the growth process by exploring their three-dimensional internal zonal structure.

Quarterly Crystal: Unique Phantom in Diamond
A diamond octahedron contains a three-dimensional phantom visible through all eight octahedral faces.

“Sugar Plum” in Titanium-Diffused Blue Sapphire
A sugar plum–like frosted zircon cluster is observed in a blue sapphire.


Well-Formed Rutile Star in Quartz
Rutile needles intersect to form a star in colorless quartz.

Quartz Assemblage Imitating Emerald
A green stone in a pendant necklace is identified as a quartz assemblage at the New York laboratory.

Mystery Pebbles in Quartz
Amphibole pebbles in quartz resemble rocks stacked in a stone wall.


New Väyrynenite Production from Nigeria
A new source of väyrynenite produces specimens in larger sizes with higher clarities than material from other sources.




