Skip to the content

Language:

  • TCN
    • EN
    • CN
    • FR
    • DE
    • JP
logo mainlogo darklogo light
  • 主頁
  • 鑑定服務
  • 鑑定報告書
  • 教學培訓
  • 研究進展
  • 產品項目
  • 新聞
  • 關於 SSEF
  • 聯繫方法
logo main
  • 主頁
  • 鑑定服務
  • 鑑定報告書
  • 教學培訓
  • 研究進展
  • 產品項目
  • 新聞
  • 關於 SSEF
  • 聯繫方法
logo mainlogo darklogo light
2020

顏色不穩定的–貌似帕帕拉恰的彩色剛玉

最近在馬達加斯加發現的彩色藍寶石表現出不穩定的顏色。經顏色穩定性測試(Colour Stability Test),寶石顏色從粉橙(貌似帕帕拉恰Padparadscha-like)變成粉紅。本文將介紹貌似帕帕拉恰的彩色剛玉及其顏色的不穩定性。

研究進展研究進展-tcn
2020

GemTOF Analyses of Sapphires from Madagascar and Kashmir

In the beginning of 2017, gem testing laboratories started to receive cut stones from a new area for gem analysis and issuing reports. As stated in a trade-alert by SSEF in early 2017, some of this new sapphire material may resemble internal features of Kashmir blue sapphires, therefore careful microscopic inve

研究進展
GeochemistryOriginsSapphire
2020

New Beads in Cultured Pearls

by Dr. Laurent E. Cartier, first published in Facette 2 […]

研究進展
Pearl
2020

ทับทิมที่พบน้ำมันเชื่อมประสานรอยแตก

พลอยที่มีรอยแตกหรือร้อยราวภายในส่วนมากมักนำมาปรับปรุงคุ […]

研究進展
2020

Corroded Pearls

by SSEF, first published in Facette 20 (January 2013) A […]

研究進展
Pearl
2020

Exceptional Colour Change Garnets Showing the Usambara Effect

by Dr. M.S. Krzemnicki, first published in Facette 21 ( […]

研究進展
GemmologyOther Gemstones
2020

အက်ရာအတွင်း ဖြည့်စာထည့်ထားသော ပတ္တမြားများ

ဤအကြောင်းအရာမှာ အမှန်တကယ်ပင်ရိုးရှင်းသော ကိစ္စဖြစ်ပေသည် […]

研究進展
2017

Sapphires from Ambatondrazaka, Madagascar

Madagascar, an island of many gem treasures, saw in recent months another ‘sapphire rush’ after the discovery of a new gem deposit about 35 km east of the small town of Ambatondrazaka.

研究進展
GeochemistryOriginsSapphire
2016

Sapphire from Andranondambo, Madagascar

first published in Facette 22 (February 2016) In 2 […]

研究進展
OriginsSapphire

文章分頁

01 ... 019 020

Search for articles

Categories

  • Research Blog
  • Research Articles
  • Presentations

Tags

Age Dating Diamond DNA Emerald Gemmology Geochemistry Jade Methods Organics Origins Other Gemstones Pearl Ruby Sapphire Spinel Synthetics Tourmaline Traceability Treatments

Discover our annual magazine

logo SSEF
SCHWEIZERISCHES GEMMOLOGISCHES INSTITUT
SWISS GEMMOLOGICAL INSTITUTE
INSTITUT SUISSE DE GEMMOLOGIE
© 2026 SSEF
Legal Disclosure | Terms & Conditions
Disclaimer | Privacy Policy

Address

Aeschengraben 26
CH-4051 Basel
Switzerland

Tel: +41 61 262 06 40

Fax: +41 61 262 06 41

Social

Instagram LinkedIn

Newsletter

Follow the latest SSEF news

  • 主頁
  • 鑑定服務
  • 鑑定報告書
  • 教學培訓
  • 研究進展
  • 產品項目
  • 新聞
  • 關於 SSEF
  • 聯繫方法
Manage Cookie Consent
To provide the best experiences, we use technologies like cookies to store and/or access device information. Consenting to these technologies will allow us to process data such as browsing behavior or unique IDs on this site. Not consenting or withdrawing consent, may adversely affect certain features and functions.
Functional Always active
The technical storage or access is strictly necessary for the legitimate purpose of enabling the use of a specific service explicitly requested by the subscriber or user, or for the sole purpose of carrying out the transmission of a communication over an electronic communications network.
Preferences
The technical storage or access is necessary for the legitimate purpose of storing preferences that are not requested by the subscriber or user.
Statistics
The technical storage or access that is used exclusively for statistical purposes. The technical storage or access that is used exclusively for anonymous statistical purposes. Without a subpoena, voluntary compliance on the part of your Internet Service Provider, or additional records from a third party, information stored or retrieved for this purpose alone cannot usually be used to identify you.
Marketing
The technical storage or access is required to create user profiles to send advertising, or to track the user on a website or across several websites for similar marketing purposes.
  • Manage options
  • Manage services
  • Manage {vendor_count} vendors
  • Read more about these purposes
View preferences
  • {title}
  • {title}
  • {title}