Recovery potential of rare earth elements (REEs) from the gem mining waste of Sri Lanka: A case study for mine waste management

N Dushyantha, IMSK Ilankoon, NP Ratnayake… - Minerals, 2022 - mdpi.com
Sri Lanka is one of the wealthiest countries in terms of gems. Therefore, gem mining is
extensively carried out in many areas of Sri Lanka, including districts such as Ratnapura …

[HTML][HTML] The color of responsibility: Ethical issues and solutions in colored gemstones

JL Archuleta - Gems & Gemology, 2016 - gia.edu
The mining and processing of colored stones, a multibillion-dollar industry, spans 47
countries on six continents. Despite the industry's high profile, an ethical, sustainable mine …

An evaluation of the potential for determination of the geographic origin of ruby and sapphire using an expanded trace element suite plus Sr–Pb isotope compositions

MY Krebs, MF Hardman, DG Pearson, Y Luo, AJ Fagan… - Minerals, 2020 - mdpi.com
The geographic origin of gem corundum has emerged as one of its major value factors.
Combined with gemological observations, trace element analysis is a powerful tool for the …

Exploring socio-economic and financial dimensions of rural small-scale gem mining in Passara, and Lunugala areas of Sri Lanka: Implications for sustainable …

GN Kuruppu, N Dushyantha, J Thavendrem… - The Extractive Industries …, 2024 - Elsevier
Despite being rich in gem resources, the Passara, and Lunugala areas of Sri Lanka
continue to experience poor economic and social development, lagging other regions of the …

[PDF][PDF] Simultaneous high sensitivity trace-element and isotopic analysis of gemstones using laser ablation inductively coupled plasma time-of-flight mass spectrometry

HAO Wang, MS Krzemnicki, JP Chalain… - Journal of …, 2016 - academia.edu
GemTOF, installed at the Swiss Gemmological Institute SSEF, is a next-generation chemical
analysis technique for gemmology: laser ablation inductively coupled plasma time-of-flight …

[PDF][PDF] Preserving the heritage of gemstone regions and resources worldwide: Future directions

LE Cartier - Episodes Journal of International Geoscience, 2017 - ssef.ch
Gemstones–including emeralds, rubies and sapphires and many other mineral varieties–
have fascinated humans for millennia. Many of the regions producing gemstones are …

Environmental Repercussions of Gem Mining in Sri Lanka

P Jayawardhana, CD Udawattha - Journal of Real Estate Studies, 2022 - journals.sjp.ac.lk
As an industry, the gem industry has positive impacts on the economy and society while
having severe negative impacts on the environment and health. Most of these impacts …

[PDF][PDF] Exploitation minière et biodiversité: cas de Twangiza Mining dans l'Est de la RDC

L Cirimwami, G Baguma… - Conjonctures de l'Afrique …, 2021 - eca-creac.eu
Partout dans le monde, l'exploitation minière constitue l'une des grandes menaces pour la
biodiversité et, dès lors, pour le développement durable (Ludovic et al. 2016). Plus d'un …

[PDF][PDF] 概述寶石的可追溯性和區塊鏈

LE Cartier, MS Krzemnicki - gahk.org
作者討論寶石的可追溯性和區塊鏈在寶石業應用的原因, 運作, 優點和近年的歷程,
並替主要術語提供定義. 作者認為區塊鏈在鑽石和寶石供應鏈的可追溯性或改進並非靈丹妙藥 …

[PDF][PDF] The Journey of Ethics‒A Review of Responsible Sourcing Developments in the Gem Sector

LE Cartier - ssef.ch
The gem trade is one of the oldest forms of international trade in the world, as humans have
been attracted to gems for emotional and material reasons over millennia. The rarity …