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Knowledge, attitudes and practices regarding gemstone therapeutics in a selected adult population in Pakistan [PDF]

BMC Complementary and Alternative Medicine, 2009
Background Gemstones have been in use as part of alternative and complementary medicine for years. However, our understanding of the perceived healing powers of gemstones is limited.
Qidwai Waris, Saleem Taimur, Ishaque Sidra   +2 more
doaj   +3 more sources

Minerals Identification of Bio-Solar Gemstone from Aceh [PDF]

Journal of Aceh Physics Society, 2016
Salah satu batu mulia yang terkenal di Aceh disebut Bio-Solar. Batu permata ini banyak ditemukan di Aceh, namun, informasi detail tentang batu permata ini masih sangat terbatas.
Akmal Nizar, Mursal Mursal, Ismail Ismail   +2 more
doaj   +4 more sources

GEMTELLIGENCE: Accelerating gemstone classification with deep learning [PDF]

Communications Engineering
The value of luxury goods, particularly investment-grade gemstones, is influenced by their origin and authenticity, often resulting in differences worth millions of dollars.
Tommaso Bendinelli, Luca Biggio, Daniel Nyfeler, Abhigyan Ghosh, Peter Tollan, Moritz Alexander Kirschmann, Olga Fink   +6 more
doaj   +2 more sources

Spectroscopic Study of the 3107 cm⁻¹ and 3143 cm⁻¹ H-Related Defects in Type Ib Diamonds

Crystals, 2022
Hydrogen-related infrared absorption bands in natural diamonds have been extensively investigated and widely used to identify natural, treated, and synthetic diamonds grown by high pressure and high temperature (HPHT) and chemical vapor deposition (CVD ...
Zhonghua Song, Jun Su, Wenfang Zhu, Taijin Lu, Yang Wang, Shengmei He   +5 more
doaj   +1 more source

Identification of Pink-Coloured CVD Synthetic Diamonds from Huzhou Sino-C Semiconductor Co. in China

Crystals, 2021
In recent years, increasing numbers of pink-coloured CVD synthetic diamonds have appeared on the market. One of the major sources is Huzhou SinoC Semiconductor Science and Technology Co., Ltd., Zhejiang province of China.
Zhonghua Song, Huiru Dai, Bo Gao, Wenfang Zhu   +3 more
doaj   +1 more source

On the Mechanism of Electron Beam Radiation-Induced Modification of Poly(lactic acid) for Applications in Biodegradable Food Packaging

Applied Sciences, 2022
Poly(lactic acid) (PLA) is a biodegradable polymer used for food packaging. The effects of electron beam radiation on the chemical and physical properties of amorphous PLA were studied.
Eleanor C. Grosvenor, Justin C. Hughes, Cade W. Stanfield, Robert L. Blanchard, Andrea C. Fox, Olivia L. Mihok, Kristen Lee, Jonathan R. Brodsky, Ann Hoy, Ananya Uniyal, Sydney M. Whitaker, Chris Acha, Kalina Gibson, Lilly Ding, Catherine A. Lewis, Lorelis González López, Charlotte M. Wentz, Lawrence R. Sita, Mohamad Al-Sheikhly   +18 more
doaj   +1 more source

Comparison of Natural and Dyed Fire Opal

Crystals, 2022
Fire opal is much sought after for its flame-like red-orange-yellow body-color. With consumers’ enthusiasm for fire opals, dyed fire opal has gradually entered the jewelry market, which has made an impact on consumer perception and trade.
Jinlin Wu, Hong Ma, Ying Ma, Peiying Ning, Na Tang, Huihuang Li   +5 more
doaj   +1 more source

Comparative Study of Types of Men's Jewelry at the Safavid Court with Indian Great Mughals [PDF]

نگره, 2021
After the advent of Islam in Iran, the Islamic rulings imposed some restrictions on men's use of jewelry, while in various Islamic periods, especially in the Safavid period, based on records and texts, the dazzling glory of jewelry used by men of the ...
Masomeh Kasi Matak, Mitra Shateri, Abbasali Ahmadi, Bahareh Taghavi Nezhad   +3 more
doaj   +1 more source

Chinese Colorless HPHT Synthetic Diamond Inclusion Features and Identification

Crystals, 2022
Chinese HPHT diamonds have improved dramatically in recent years. However, this brings a challenge in identifying type IIa colorless diamonds. In this study, eleven HPHT and three natural, colorless, gem-quality IIa diamonds were analyzed using magnified
Ying Ma, Zhili Qiu, Xiaoqin Deng, Ting Ding, Huihuang Li, Taijin Lu, Zhonghua Song, Wenfang Zhu, Jinlin Wu   +8 more
doaj   +1 more source

Spectroscopic Identification of Amber Imitations: Different Pressure and Temperature Treatments of Copal Resins

Crystals, 2021
Copal resins can be treated with heat and/or pressure to imitate ambers in the gem market. To explore the effects of different modification conditions on post-treatment spectral changes, five experimental methods with different temperature–pressure ...
Ting Zheng, Haibo Li, Taijin Lu, Xiaoming Chen, Bowen Li, Yingying Liu   +5 more
doaj   +1 more source