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! Latest Additions
 
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* [[Essays:Adding arrows|Adding arrows]]
 
* [[Immersion_cell#Plato_method|Plato method]]
 
* [[Immersion_cell#Anderson_method|Anderson method]]
 
* [[Carroll Chatham]]
 
* [[Auguste Verneuil]]
 
* [[James Nelson]]
 
* [[Flame fusion]] (Verneuil)
 
* [[Siderite]]
 
* [[Ekanite]]
 
* [[Synthetic cubic zirconia]]
 
* [[Skull crucible]]
 
* [[Sublimation]]
 
* [[Synthetic moissanite]]
 
* [[Diaspore]] (Zultanite)
 
* [[Axinite]]
 
* [[Sillimanite]]
 
* [[Clinohumite]]
 
* [[Spinel]]
 
* [[Spodumene]]
 
* [[Synthetic forsterite]]
 
* [[Pezzottaite]]
 
* [[Amber]]
 
* [[Topaz]]
 
* [[Sphene]]
 
* [[Kyanite]]
 
* [[Pearl]]
 
* [[Causes of color]]
 
* [[Poudretteite]]
 
* [[Goldstone]]
 
* [[Datolite]]
 
* [[Color]]
 
* [[Maw-sit-sit]]
 
* [[Twinning]]
 
* [[Crystallography]]
 
* [[Pleochroism]]
 
* [[Habit]]
 
* [[Form]]
 
* [[Symmetry]]
 
* [[Hardness]]
 
* [[Double Refraction]]
 
* [[Beryl]]
 
* [[Color Filters]]
 
* [[Specific Gravity]]
 
* [[Hydrostatic Balance]]
 
* [[Heavy Liquids]]
 
* [[Dichroscope]]
 
* [[Microscope]]
 
* [[Polariscope]]
 
* [[Spectroscope]]
 
* [[10x Loupe]]
 
* [[Refractometer]]
 
* [[Table_Of_Contents|more ...]]
 
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| <span style="color:#cf7606; font-size:200%;"><b>Welcome to</b>&#160;</span><span style="color:#005288; font-size:200%;"><b>The Gemology Project</b></span><br><br>
 
| <span style="color:#cf7606; font-size:200%;"><b>Welcome to</b>&#160;</span><span style="color:#005288; font-size:200%;"><b>The Gemology Project</b></span><br><br>
  
'''The Gemology Project is a non-profit gemstone and gem science wiki-style database for anyone interested in gemstones and gemology (gemmology).  Every month we highlight a gemstone and a piece of gemstone identification equipment to help us all understand more about the wonderful world of colored stones and diamonds.'''
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'''The Gemology Project is a non-profit gemstone and gem science wiki-style database for anyone interested in gemstones and gemology (gemmology).  Every month we highlight a gemstone and a piece of gemstone identification equipment to help us all understand more about the wonderful world of colored stones and diamonds. The Project begins with a general tutorial as an [[Introduction_to_Gemology|Introduction to Gemology]].'''
  
'''We invite every gemologist, gemstone dealer or gem enthusiast to share their practical and theoritical gemological knowledge and help this central gemology repository grow.'''<br />
+
'''We invite every gemologist, gemstone dealer or gem enthusiast to share their practical and theoretical gemological knowledge and help this central gemology repository grow.'''<br />
 
'''You can simply click on the "submission" links at the top and bottom of each page and your information will be included as soon as possible.'''
 
'''You can simply click on the "submission" links at the top and bottom of each page and your information will be included as soon as possible.'''
 +
 +
'''You can navigate through the site with the aid of our [[Table_Of_Contents|Contents page]]'''
  
  
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! style="background-color: #F8AAA8; color:white;" |'''In the spotlights: [[Alain van Acker]]'''
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! style="background-color: #1d347d; color:white;" |Latest Contributions
 
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<html><div class="plainlinks" style="float:left;margin-right:5px;"><a href="http://gemologyproject.com/wiki/index.php?title=Image:Alain2.jpg"><img src="http://gemologyproject.com/wiki/images/9/94/Alain2.jpg" width="150"></a></div></html>
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With great sadness we announce our goodbeyes to Alain van Acker, the founding father of this site. He passed away and will be sorely missed. He was a great mind, an excellent teacher and a true friend. His accomplishments will live on though. This site being a solid memory of him and his work. The information provided on this site is a unique opportunity for you to learn more about gemstones. On Alain's behalf: enjoy the ride!
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! style="background-color:#F5E31C;"| '''Book tips'''
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<span style="color:#fe0101; font-size:180%;"><b>[[Faceting Designs|Faceting Designs]]</b>
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[[Image:GPFDC.jpg|center|link=Faceting Designs|500px]]
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<center>'''Gemstones of the World''' by Walter Schumann</center><br />
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<span style="color:#005288; font-size:180%;"><b>[[Images:Tourmaline |The Bruce Fry Tourmaline Collection]]</b> <br /><br />
<html><div class="plainlinks" style="float:left;margin-right:5px;"><a href="http://gemologyproject.com/wiki/index.php?title=Special:Booksources&isbn=1402740166"><img src="http://g-ec2.images-amazon.com/images/I/21MMS4Yhu-L.jpg"></a></div></html>
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[[Image:Tourm43.jpg |link=Images:Tourmaline|110px|Tourmaline Collection]]
Gemstones of the World is truly the single volume that every hobbyist, jeweler, jewelry maker, and rockhound needs: it’s the cornerstone of the field. And this updated edition contains a host of new findings on “Gemstones for Collectors,” additional gems in the “Table of Constants,” and the “double fraction” figures that experts have long wanted—a very special new feature.
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[[Image:Tourm88.jpg |link=Images:Tourmaline|110px|Tourmaline Collection]]
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[[Image:Tourm101.jpg |link=Images:Tourmaline|110px|Tourmaline Collection]]
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[[Image:Tourm87.jpg |link=Images:Tourmaline|110px|Tourmaline Collection]]
  
All the gemstones are treated in their many variations: more than 1,500 full-color photos showcase each precious and semiprecious stone in both its rough, natural, and its polished and cut renditions. Each entry offers complete information on the gemstone’s formation, structure, physical properties, and characteristics, along with the best methods of working, cutting, and polishing it. There are even full treatments of lesser-known gems, from andalusite to vesuvian, and a special section is devoted to rocks as precious stones, including alabaster, onyx, obsidian, and fossils. Organic gem materials are also covered, such as coral, ivory, amber, and pearl. Charts and tables help collectors identify unknown gemstones and check for genuineness.
 
 
<br clear="all" />
 
<br clear="all" />
ISBN 1402740166
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! style="background-color: #1d347d; color:white;" |'''In Memoriam: '''Alain van Acker''''''
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| style="padding:5px;"|
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<html><div class="plainlinks" style="float:left;margin-right:5px;"><a href="http://gemologyproject.com/wiki/index.php?title=Image:Alain2.jpg"><img src="https://gemologyproject.com/wiki/images/9/94/Alain2.jpg" width="150"></a></div></html>
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Alain van Acker was a great mind, an excellent teacher and a true friend. His accomplishments are immortal. This site is a solid memory of him and his work. The information provided on this site is an unique opportunity for you to learn more about gemstones. <br /> <br /><br /> <br />
 +
On Alain's behalf: ''"Enjoy the ride!"''
 
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! style="background-color: lightgray;"| '''Featured article: [[Sublimation]]
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! style="background-color: #1d347d; color:white;" |'''Book Tips: '''Library Essentials''''''
 
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The sublimation method to create synthetic materials is a method where a solid is heated at appropiate temperatures and pressure, usually in a near vacuum, so that it goes from the solid state directly into the gaseous state, skipping the liquid state. The gas then condenses as a solid, again skipping the liquid state. A material famous for this is CO2 (dry ice); at room temperatures and normal atmospheric pressure this solid block of ice will immediately sublime into a gas.
 
  
Synthetic moissanite is the main synthetic gemstone produced by this process ... [[Sublimation|more]]
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|[[image: Understanding jewellery.jpg|155px]]||[[image: Exotic_Gems.jpg|155px]]||[[image:Gems_Crystals.jpg|155px]]|| [[image:Gemstones_of_the_World.jpg|155px]]|| [[image: Gems.jpg|155px]]
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|[https://www.amazon.com/gp/product/1851494308?ie=UTF8&tag=gemsandwhywelove&linkCode=as2&camp=1789&creative=9325&creativeASIN=1851494308 Understanding Jewellery<br /> by David Bennett] ||[https://www.amazon.com/gp/product/0929975421?ie=UTF8&tag=gemsandwhywelove&linkCode=as2&camp=1789&creative=9325&creativeASIN=0929975421 Exotic Gems <br/> by Renee Newman]||[http://www.amazon.com/gp/product/0671687042 Gems & Crystals <br />Anna S. Sofianides]||[http://www.amazon.com/gp/product/0806994614 Gemstones <br /> by Walter Schmann] ||[https://www.amazon.com/gp/product/0750616741  Gems (5th Edition) <br /> by R. Webster]
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Latest revision as of 17:52, 24 November 2018

Welcome to The Gemology Project

The Gemology Project is a non-profit gemstone and gem science wiki-style database for anyone interested in gemstones and gemology (gemmology). Every month we highlight a gemstone and a piece of gemstone identification equipment to help us all understand more about the wonderful world of colored stones and diamonds. The Project begins with a general tutorial as an Introduction to Gemology.

We invite every gemologist, gemstone dealer or gem enthusiast to share their practical and theoretical gemological knowledge and help this central gemology repository grow.
You can simply click on the "submission" links at the top and bottom of each page and your information will be included as soon as possible.

You can navigate through the site with the aid of our Contents page


Latest Contributions

Faceting Designs

GPFDC.jpg


The Bruce Fry Tourmaline Collection

Tourmaline Collection Tourmaline Collection Tourmaline Collection Tourmaline Collection


'In Memoriam: Alain van Acker'

Alain van Acker was a great mind, an excellent teacher and a true friend. His accomplishments are immortal. This site is a solid memory of him and his work. The information provided on this site is an unique opportunity for you to learn more about gemstones.



On Alain's behalf: "Enjoy the ride!"


'Book Tips: Library Essentials'
Understanding jewellery.jpg Exotic Gems.jpg Gems Crystals.jpg Gemstones of the World.jpg Gems.jpg
Understanding Jewellery
by David Bennett
Exotic Gems
by Renee Newman
Gems & Crystals
Anna S. Sofianides
Gemstones
by Walter Schmann
Gems (5th Edition)
by R. Webster



Please also read the disclaimer, FAQ and help pages.