precious stones database

Volcanic Gemstones and Minerals | Gem5

Obsidian: Obsidian is an extrusive igneous rock, a volcanic glass formed by rapid cooling s essential component is glass. Its accessory components are magnetite, ilmenite, oxides and other minerals, such as feldspar. It has the same composition as dacite or …

GIA Gem Encyclopedia | Complete List Of Gemstones

GIA''s Gem Encyclopedia is a virtual journey through the science and lore of gemstones from across the globe. Each precious stone page features additional detailed gemological information, a buyer''s guide, photos, videos & research.

Top 31 Precious Metals ETFs

This is a list of all Precious Metals ETFs traded in the USA which are currently tagged by ETF Database. Please note that the list may not contain newly issued ETFs. If you''re looking for a more simplified way to browse and compare ETFs, you may want to visit our ETFdb Categories, which categorize every ETF in a single "best fit" category. ...

Gem Testing • Gem Origins • Gem Treatment ID • Lotus ...

2021-9-17 · Padparadscha or Pretender • An Unusual Pink-Orange Sapphire. An orangish pink "padparadscha" sapphire was submitted for testing at Lotus Gemology''s Bangkok laboratory. Testing showed a number of conflicting features that suggested the gem was a cleverly treated synthetic pink sapphire designed to imitate natural padparadscha.

Russian export companies database

This section of the Portal contains database of Russian exports including information about Industry and products and companies'' regions.

Metadata – EGDI

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Gemstone Price Calculator | Reference Values of Gems

Gemstone Price Calculator. Find out current average market value of your gemstone within minutes. Our interactive gemstone price calculator model estimates value of your gemstone based on six major characteristics such as the stone''s variety, carat weight, color, saturation, clarity, shape and cut. Easy to use. Reliable results. Unique algorithm.

WTO Data

Update of annual and quarterly merchandise trade indices. 13 January 2021 - The new WTO-OECD Balanced Trade in Services (BaTIS) dataset is a complete, consistent and balanced matrix of international trade in services statistics (ITSS). It contains annual bilateral data covering 202 reporters and partners, broken down by the 12 main EBOPS2010 ...

Alphabetical List of Precious and Semiprecious Gemstones

2019-11-26 · The only "precious" gemstones are diamond, ruby, sapphire, and emerald. All other quality stones are called "semiprecious," even though they may not be any less valuable or beautiful. Today, mineralogists and gemologists describe stones …

Gemstone Database

24th Sep 2021 gemdat - the gemstone and gemology information website Current statistics: 624 gem names. 526 gemstone data pages. 3,153 total locality items listed from 1,474 sites worldwide. 8,172 photos.

Precious Stones – PLR Database

IN this little text-book the author has tried to combine the trade information which he has gained. in his avocation, the study of precious stones, with the scientific knowledge bearing thereon, which his vocation, the teaching of chemistry, has compelled him to master. DOWNLOAD Full Version. File Type zip file. File Size 645.86 KB.

Ruby Birthstone | What Birthstone Is Ruby? Learn more ...

The ruby gemstone is the red variety of the mineral corundum, colored by the element chromium. Tough and durable, the ruby birthstone measures 9 on the Mohs scale. Read a ruby overview and more at AmericanGemSociety .

Gemstone list from A to Z

2019-5-24 · Gemstone list from A to Z. 2019-05-24. 2020-02-06. Below is an alphabetical list of gemstones found in our database. Simply click on a stone and find out detailed information, such as alternate names, pictures and much more. Information for gemstones in general you will find following this link. .

SA Geodata Database

SA Geodata - Database Information Downloads Download list of Stratigraphic Units, Map Symbols and GIS codes Explanation of the Stratigraphic Map Symbol and GIS code system. Version: 2.0.5.0 ...

A list of Precious and Semi Precious Gemstones and their ...

The traditional list of gemstones that are considered precious stones are: Diamond. Ruby. Sapphire. Emerald. All other gemstones are considered as being semi precious stones. These are old terms and not necessarily true these days. To view the treatments associated with each of these stones…

Gem Testing • Gem Origins • Gem Treatment ID • Lotus ...

2021-9-25 · Padparadscha or Pretender • An Unusual Pink-Orange Sapphire. An orangish pink "padparadscha" sapphire was submitted for testing at Lotus Gemology''s Bangkok laboratory. Testing showed a number of conflicting features that suggested the gem was a cleverly treated synthetic pink sapphire designed to imitate natural padparadscha.

Precious stones

The Linked Data Service provides access to commonly found standards and vocabularies promulgated by the Library of Congress. This includes data values and the controlled vocabularies that house them. Datasets available include LCSH, BIBFRAME, LC Name Authorities, LC Classification, MARC codes, PREMIS vocabularies, ISO language codes, and …

Mineral & Gemstone Database | Gem5

Gem5 / Mineral & Gemstone Database. ... Amethyst: Amethyst is the most coveted stone in the quartz group, and it is sometimes confused with beryl. It is usually found layered with milky quartz, and its color varies from purple to violet. It is sometimes sold as Ametrine, but this is actually a combined variation of 2 gems; Amethyst and Citrine.

Stone Database

2020-2-9 · The Leading Database On Natural Stone

Zak Jewels Expo – 2021

Started in 1999, the Zak Jewels Expo is India''s premier B2C jewellery exhibition showcasing Diamonds, Rubies, Emeralds, Sapphires, Pearls, Precious and Semi-precious stones, fine crafted on Gold, Platinum and Silver jewellery. Also on display are a wide range of Jadau, Minakari, Kundan and other precious and semi-precious traditional Indian ...

Gemstones, Quartz, Crystals, Jewellery, Healing, Yantras ...

Satyamani - India''s Oldest Online Store to buy wide range of Healing Products including Gemstones, Quartz, Crystals, Jewellery, Yantras, Reiki, Semin-Precious Stones, Minerals n …

P

2021-7-22 · (oxide) These stones are from a sedimentary formation. Prophecy stones allow partners to cooperate as in a marriage. These stones bring people together for a common goal; which could be for studying, recording, learning and teaching of esoteric subjects. These stones do this by ''cementing'' thoughts and bringing them into action.

All types of gemstones and their meanings: A complete List

2021-5-20 · Precious stones VS semi precious stones: What are the differences? 7. Gemstones and crystals. First of all, it is certain that crystal is a semi-precious gemstone, and it is one of many, because it perfectly matches the …

Gemstone: Comprehensive guide to Gemstones

Interactive guide to the most popular gemstones. Some important gemstones are not here yet. We are constantly working on expanding this list.

UN Comtrade | International Trade Statistics Database

2021-9-7 · UN Comtrade Database Free access to detailed global trade data. UN Comtrade is a repository of official international trade statistics and relevant analytical tables. All data is accessible through API.

Gemstones List: Gemstone Names by Color and Type ...

2021-9-26 · Precious – Gemstones which highly valued for their immense rarity and high-end beauty are known as Precious stones. Amongst different gems, there are only four precious stones – Ruby, Sapphire, Emerald & Diamond. Learn more about these precious gemstones, their quality, meanings and price here. Semi-precious