Lauriane Pinsault：2022全球祖母绿与红宝石供应：市场数据分析报告（英文版）（23页）.pdf

1、 Global Emerald&Ruby Supply:Analysing Market Data Market Research LAURIAN E PINSAU LT MAR CH 20 22 GLOBAL EMERALD&RUBY SUPPLY:ANALYSING MARKET DATA GEMFIELDS LIMITED 2021 Page|1 Table of Contents I.Scope of this paper 2 II.Challenges 2 III.Ruby 3 A.Insights from each data source 3 A.1.Mining Data 3

2、A.2.NRGI 3 A.3.USGS 4 A.4.UNComtrade 5 A.5.Bank of Mozambique balance of payments data 7 A.6.ResourceTrade.Earth 8 B.Insights from comparison of data sources 9 B.1.Production volumes 9 B.2.Production value 11 IV.Emerald 12 A.Insights from each data source 13 A.1.Mining Data 13 A.2.NRGI 14 A.3.USGS 1

3、4 A.4.UNComtrade 15 A.5.ResourceTrade.Earth 17 A.6.Fedesmeraldas vs.ResourceTrade.Earth 18 B.Insights from each data source 19 B.1.Production volumes 19 B.2.Production value 20 V.Closing statements 22 VI.Request for participation in further research 22 VII.References 22 GLOBAL EMERALD&RUBY SUPPLY:AN

4、ALYSING MARKET DATA GEMFIELDS LIMITED 2021 Page|2 I.I.Scope of this paperScope of this paper The aim of this paper is to compile data relating to international coloured gemstone supply.Due to the challenges outlined in section 2,most of the data presented is for all coloured gemstones taken together

5、,including cut and polished gemstones.However,where possible,the focus is on rough rubies and emeralds(and sapphires to a lesser extent).Production data is presented in both quantity,which can be stated in kilograms or carats(1 gram=0.2 carats),and value,stated in US dollars(USD).II.II.Challenges Ch

6、allenges Before drawing conclusions from the data presented herein,readers are alerted to the significant challenges related to obtaining data and information about coloured gemstone supply and the downstream market.The major challenge when trying to assess worldwide coloured gemstone production is