Results 11 to 20 of about 4,649 (283)

Fuzzy Analytical Hierarchy Process Method to Determine the Quality of Gemstones

open access: yesAdvances in Fuzzy Systems, 2018
The selection of quality gemstones requires a special ability to select and assess the quality of gemstones to be traded. The diversity of types of gemstones and consumers becomes an obstacle in itself when the knowledge and ability of individuals to ...
Mochammad Sobandi Dwi Putra   +3 more
doaj   +2 more sources

Spectroscopic Analysis for Harnessing the Quality and Potential of Gemstones for Small and Medium-Sized Enterprises (SMEs)

open access: yesJournal of Spectroscopy, 2021
Introduction of modern technologies and methods and quality analysis for the gemstone industry are the main strategic initiatives of the Small and Medium Development Authority (SMEDA) of Pakistan.
Imtiaz Ahmad   +3 more
doaj   +2 more sources

“Gemo”: An AI-Powered Approach to Color, Clarity, Cut Prediction, and Valuation for Gemstones

open access: yesInternational research journal of innovations in engineering and technology, 2023
“Gemo” is an AI-powered smartphone application that aims to improve the gem industry by replacing human-based approaches with computer-based ones. A mix of well-trained machine learning models that are capable of color identification, cut projection ...
Senarathne K.A.N.S   +5 more
semanticscholar   +1 more source

Placebo effect of gemstones

open access: yesJournal of Awareness, 2022
The placebo effect can be explained as a response other than the specific influence of a treatment which comes from the psychosocial forces surrounding the treatment. This effect can be observed all over the world when people use healing stones.
Y. A. Kutlu, A. Çalık, E. Ulugergerli
semanticscholar   +1 more source

Characterization of Coloured Gemstones by X-ray Micro Computed Tomography

open access: yesMinerals, 2021
The monetary value of gemstones is based on five variables: rarity, cut, weight, color and clarity. The latter refers to internal impurities and defects. Fashion may also dictate demand and price.
R. Heyn   +3 more
semanticscholar   +1 more source

Geology and mineralogy of gemming terrains of Sri Lanka [PDF]

open access: yesBulletin of the Geological Society of Finland, 1985
Gemming in Sri Lanka is carried out in river valleys and on hill slopes underlain by high grade Precambrian metasedimentary rock suites. The principal gem mineral, corundum, is mined from assemblages rich in garnet, spinel, topaz, tourmaline and zircon ...
K. Dahanayake, A.P. Ranasinghe
doaj   +1 more source

Magical Objects, Magical Writing: Amulets Across the Ages

open access: yesMartor, 2023
This note focuses on recent discussions on gemstone amulets from Late Antiquity through insights offered in two contributions to the volume Textual Amulets from Antiquity to Early Modern Times: The Shape of Words (Theis and Vitellozzi 2022).
Hajnalka Tamás
doaj   +1 more source

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

open access: yesBMC 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   +2 more
doaj   +1 more source

LE CHEVALIER, LA FEMME ET LE DIABLE. LES GEMMES MAGIQUES ET LE TESTAMENT DE SALOMON [PDF]

open access: yesDiversitate si Identitate Culturala in Europa, 2010
Fifty six magical gemstones discovered in Egypt and dating from the 3rd century CE represent Solomon as a triumphant horse rider piercing and killing by his lance a lying female demon, probably the famous Lilith.
Dr. Ştefan COLCERIU
doaj  

Precious Stones in Chagatai’s Turkish Period Works

open access: yesİstanbul Üniversitesi Edebiyat Fakültesi Türk Dili ve Edebiyatı Dergisi, 2023
Since the creation of mankind, people have been interested in gemstones because of their properties, such as protection, decoration, use as accessories, and spiritual as well as physical healing.
Sümeyra Alan
doaj   +1 more source

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