The Pearl Newsletter by Elisabeth Strack

MARGARITOLOGIA is a Pearl Newsletter by Elisabeth Strack, author of the book PEARLS. The title name denotes the science of pearls. 

 

The Newsletter is dedicated to the knowledge of pearls and seeks to cover all aspects of natural and cultural pearls, from natural science to history and new developments, pearl farming, pearl grading, testing procedures, price information and market situations. The author aims at creating a forum for sharing her own observations with a worldwide circle of pearl enthusiasts. 

 

MARGARITOLOGIA is published four times a year in German, English and Russian languages.

 

The yearly subscription rate is 70€.

 

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No. 11, September 2018

FRESHWATER PEARLS FROM RUSSIA

  • INTRODUCTION
  • PEARL MUSSEL DISTRIBUTION IN RUSSIA
  • PEARL USAGE
  • FIELD RESEARCH
  • THE PEARLS
  • SUMMARY 

No. 10, July 2018

  • AN OVERVIEW OF PEARL TESTING METHODS
  • INTRODUCTION
  • GEMMOLOGICAL STANDARD METHODS THE OPTICAL MICROSCOPE
  • ULTRA VIOLET FLUORESCENCE
  • ACID TEST
  • ADVANCED METHODS 
  • X-RADIOGRAPHY
  • NATURAL PEARLS
  • CULTURED PEARLS WITH A MOTHER-OF- PEARL BEAD
  • CULTURED PEARLS WITHOUT A BEAD
  • SEPARATING SALTWATER FROM FRESHWATER PEARLS
  • X-RAY FLUORESCENCE AND EDXRF
  • CHEMICAL MANGANESE TEST

 

 


No. 9, November 2017

  • Testing the Durability of Pearls 

 

  • A "field" study: The test series documents the durability of pearls when exposed to vinegar essence, white wine vinegar, lemon juice, white and red wine.
  • Discoluration of pearl jewellery by Red Wine
  • Pearls and the Human Skin

 


No. 8, July 2017

100 Years Of Cultured Pearls - Part 2

  • The early beginnings of South Sea pearl culture
  • First experiments on the Ryu Kyu Islands
  • The Palau Islands: an early vision of a pacific cultured pearl industry
  • Australia
  • Burma
  • Indonesia
  • The Philippines

 

 

 


No. 7, May 2017

  • 100 Years of Cultured Pearls – Part 1
  • Akoya Cultured Pearls – The Beginnings in Japan
  • Kokichi Mikimoto
  • The Chinese Method
  • Friedrich Alverdes in Germany 
  • The way to the fully round cultured pearls
  • The Mise-Nishikawa-Method
  • The “Bead” Issue
  • The 1920s and Onwards

No. 5/6, August 2016

  • In Focus: Australia
  • 7th IMEHA International Congress in Australia: Study of pearling trade to shed light on cultural history of the material world
  • LUSTRE – PEARLING & AUSTRALIA exhibition at the Western Australian Museum 
  • Memorial to the Pearl Industry in Broome
  • Memorial for Aboriginal woman divers
  • Secret Life of Pearls – a new Paspaley documentary
  • THE ART & SCIENCE OF GEMS exhibition in Singapore
  • New Books: Bill Reed – The long road to Broome

 


No. 4, December 2015

  • CULTURED PEARLS FROM LAKE KASUMIGAURA IN JAPAN
  • The beginnings go back to Lake Biwa
  • The 1960s till the 1980s: Lake Kasumigaura becomes an independent pearl producer
  • The 1990s until today: The Yanase/Sakai method
  • Hybrid mussels
  • The Pearls – Quality characteristics
  • “Kasumigaura Type” cultured pearls from China

No. 2/3, June 2015

  • FRESHWATER CULTURED PEARLS FROM CHINA
  • Stage 1 – The Beginnings, 1962 – 1980
  • Stage 2 – The 1980s
  • Stage 3 – The 1990s
  • Stage 4 – The Years 2000
  • Cultured Pearl Production in the New Millenium
  • New Chinese Grafting Methods: The use of mother-of-pearl beads
  • Method 1 – Mantle implantation: “Fireballs” and variations thereof
  •  Soufflés and pearls with “pearl beads”
  • Method 2 – Gonad implantation: Beginnings in Japan – China catches up – Edison Pearls
  • The overall situation today

No 1, October 2014

  • In Focus: Cultured pearls from Vietnam
  • Pearls at the IGC in Hanoi in October 2013
  • DNA fingerprinting of pearls
  • Spondylus pearls
  • A Mikimoto “3.5 Momme” necklace
  • Exhibition at the Schwerin Museum in 2013