Works in Journal of Gemmology, 2025, Vol 39, Issue 6

Results: 23

Nephrite and Jadeite.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 597, doi. 10.15506/jog.2025.39.6.597

By:

Larson, Bill

Publication type:

Article

Handbook of Gemmology, 5th edn.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 595, doi. 10.15506/jog.2025.39.6.595

By:

Gilbertson, Al

Publication type:

Article

Gemscapes.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 594, doi. 10.15506/jog.2025.39.6.594

By:

Renfro, Nathan D.

Publication type:

Article

Diamants de Golconde/Diamonds of Golconda.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 593, doi. 10.15506/jog.2025.39.6.593

By:

Ogden, Jack M.

Publication type:

Article

NAMAQUALAND DIAMONDS CENTENARY 2025 CONFERENCE AND FIELD TRIP.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 584

By:

Cornuz, Léonard

Publication type:

Article

Characterisation of Inclusions in 'Petroleum Quartz' with High-resolution X-ray Computed Micro- Tomography, and Infrared and Raman Spectroscopy.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 576, doi. 10.15506/JoG.2025.39.6.576

By:

Yujie Gao;
Moqing Lin;
Guanghai Shi;
Tiantian Huang

Publication type:

Article

Väyrynenite of Exceptional Quality and Size, Reportedly from Nigeria.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 569, doi. 10.15506/JoG.2025.39.6.569

By:

Krzemnicki, Michael S.;
Cartier, Laurent E.;
Wälle, Markus

Publication type:

Article

New Insights into the Factors Influencing the UV Fluorescence and Colour of Red Spinel from Myanmar.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 558, doi. 10.15506/JoG.2025.39.6.558

By:

Wenxi Zhang;
Tao Chen;
Xiuhong Liao;
Xing Xu;
Lili Lou;
Xuejun Yan;
Jun Yan

Publication type:

Article

A New Discovery of Common Opal from Antetezambato, North-western Madagascar.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 542, doi. 10.15506/jog.2025.39.6.542

By:

Monico, Sara;
Adamo, Ilaria;
Pezzotta, Federico;
Mácová, Petra;
Ševčík, Radek;
Gatta, G. Diego;
Prosperi, Loredana;
Marinoni, Nicoletta

Publication type:

Article

Collapsed Cores in Drilled Natural Pearls.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 540, doi. 10.15506/jog.2025.39.6.540

By:

Patel, Rajesh;
Jain, Roxane Bhot;
Al-Alawi, Abeer

Publication type:

Article

Successful Commercial Culture of Abalone Half-Pearls in China.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 539, doi. 10.15506/jog.2025.39.6.539

By:

Caihuan Ke;
Weiwei You;
Xuan Luo

Publication type:

Article

Update on 'Chrome' Tourmaline from Landanai, Tanzania.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 536, doi. 10.15506/jog.2025.39.6.536

By:

Laurs, Brendan M.;
Williams, Bear;
Williams, Cara

Publication type:

Article

Topaz from Colombia.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 534, doi. 10.15506/jog.2025.39.6.534

By:

Promwongnan, Supparat;
Williams, Cara;
Williams, Bear;
Laurs, Brendan M.

Publication type:

Article

Blue-green Smithsonite from Congo.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 533, doi. 10.15506/jog.2025.39.6.533

By:

Hyršl, Jaroslav

Publication type:

Article

Sapphirine from Madagascar.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 531, doi. 10.15506/jog.2025.39.6.531

By:

Gravier, Denis

Publication type:

Article

Trapiche Pink Sapphire from Tajikistan.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 530, doi. 10.15506/jog.2025.39.6.530

By:

Lyckberg, Peter

Publication type:

Article

Gold-in-Quartz from the McLaughlin Mine, California, USA.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 528, doi. 10.15506/jog.2025.39.6.528

By:

Laurs, Brendan M.

Publication type:

Article

Grandidierite Inclusions in a Sri Lankan Sapphire.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 527, doi. 10.15506/jog.2025.39.6.527

By:

Ziyun Zhang;
Yujie Gao;
Wenli Liao

Publication type:

Article

Pyrope-Almandine from Lao Cai Province, Vietnam.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 525, doi. 10.15506/jog.2025.39.6.525

By:

Williams, Bear;
Williams, Cara;
Laurs, Brendan M.

Publication type:

Article

Mahenge Mining District, Tanzania--An Update.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 522, doi. 10.15506/jog.2025.39.6.522

By:

Sau, Mark;
Traders, Swala Gem;
Tanzania, Arusha;
Cornuz, Léonard

Publication type:

Article

Fayalite Inclusion in Guatemalan Jadeite-Omphacite Jade.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 521, doi. 10.15506/jog.2025.39.6.521

By:

Tiantian Huang;
Yujie Gao;
Wenli Liao

Publication type:

Article

Dolomite from Brumado, Brazil.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 520, doi. 10.15506/jog.2025.39.6.520

By:

Laurs, Brendan M.

Publication type:

Article

'Red-cap' Amethyst from Thunder Bay, Canada.

Published in:

Journal of Gemmology, 2025, v. 39, n. 6, p. 517, doi. 10.15506/jog.2025.39.6.517

By:

Yan Li;
Jinling Yao;
Rivero, Yahir;
Tan, Fiona Jing

Publication type:

Article