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News

Spiral structure in a Colombian emerald
Cobaltocalcite or cobaltoan calcite
Publication
28.05.2019

Cobaltocalcite or cobaltoan calcite: A Swiss answer

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“Boehmite Needles” in Corundum Are Rose Channels
Micrographs, Publication
28.08.2018

“Boehmite Needles” in Corundum Are Rose Channels

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Origine et croissance des minéraux des fissures alpines dans les Alpes suisses occidentales
Publication
16.12.2016

Origin and growth of alpine fissure minerals in the western Swiss Alps: record of fluid flow during exhumation

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A Lalique quartz pendant in polarized light
Publication
30.10.2015

A Lalique quartz pendant in polarized light

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Beads cut from gastropod mollusc shell disguised in a coral necklace
Publication
04.05.2015

Beads cut from gastropod mollusc shell disguised in a coral necklace

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Multi-treated HPHT-grown synthetic diamonds
Micrographs, Publication
01.09.2011

HIH: Multi-treated HPHT-grown synthetic diamonds showing some characteristics of natural diamonds

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Natural pearls of the Veneridae family
Publication
15.12.2008

Natural pearls of the Veneridae family

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Navigation SM

  • About us
  • Services
    • Main services
      • Diamond services
      • Gem services
      • Pearl services
    • Exclusive services
      • Cleaning and sorting of chemically-unset melee diamonds
      • Cleaning & oiling of emeralds
      • Coral species identification
      • Cullinan report
    • Consulting
  • Publications
    • T. Hainschwang
    • F. Notari
    • C. Caplan
    • F. Blumentritt
    • Other
    • Diploma (D.U.G.)
  • Products
  • News
  • Contact
  • en
  • fr

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