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Tag: quick facts

Gemstone Each Month Series (GEMS) – Emerald for May

by JewelStruck on May.08, 2010, under GEMS

The birthstone of May, Emerald has been chosen for Gemstone Each Month Series (GEMS) this month. We would be discussing about them this complete month, if you have anything to share on Emeralds do email us at With this post showcasing very beautiful gold pendant from Spain, with table-cut emeralds and hung with an emerald drop. Its currently been exhibited at Victoria and Albert Museum.

Spanish Jewellery gold & emerald pendant

Lets get started with some quick facts on Emeralds for the first part of this series.

  • Emeralds are a variety of the mineral beryl, having green colour caused by trace amounts of chromium and sometimes vanadium.
  • Sometimes they have shades of blue and yellow, it looses color on prolonged heating.
  • Emerald hardness ranges from 7.5 to 8 on the Mohs scale.
  • The word “Emerald” is derived from Vulgar Latin: Esmaralda/Esmaraldus, a variant of Latin Smaragdus, which originated in Greek.
  • As we have said before, its birtstone of May and in some cultures emerald is considered traditional gift for the 55th wedding anniversary.
  • The “Gachala Emerald” is one of the largest emeralds in the world at 858 carats. This stone was found in 1967 at Vega de San Juan mine, Columbia.

So these were some facts on Emeralds, we would be back with more on Emeralds in coming posts of GEMS series this month.

Image credit:- Junho Jung

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Gemstone Each Month Series (GEMS) – Diamond for April

by JewelStruck on Apr.16, 2010, under GEMS

Diamond, also the birthstone of April month, has been chosen for Gemstone Each Month Series (GEMS) this month. Being one of the best known and most sought after gem, there is a lot to explore on Diamonds. We would try our best to cover as much as possible of it. So lets get started with some quick facts on Diamonds for the first part of this series.

The Hope Diamond

  • A chemically pure and structuraly perfect diamond is transparent (colourless), but diamonds can be found in many other colours too.
  • Being the hardest substance on earth (10 on Mohs scale) and having  characterstic properties like – high dispersion of light, makes it desirable to be used for many applications other than jewelry too. About 75% of worlds mined Diamonds are not suitable for Jewelry.
  • Most famous use of Diamonds is in Engagement rings. It has been used to symbolize engagements since 15th century.
  • The largest ever found Diamond was Cullinan at 3,106 carats.
  • Most of diamonds are atleast 1-3 billion years old, and they are found more than 100 miles below the earth.
  • Thermal conductivity of Diamonds is higher than other colorless gemstone, and is four times higher than copper.

So these were some quick facts on Diamonds. You will find us exploring more with details soon in coming days. If you have anything to share on Diamonds, do email us at –

Image credit – dbking

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Amethyst for Gemstone Each Month Series (GEMS) – February

by JewelStruck on Feb.08, 2010, under GEMS

Choosing again the birthstone for this month, in Gemstone Each Month Series (GEMS) – we would be discussing about Amethyst in February. So like always lets start with some quick facts about Amethyst.

Roman intaglio engraved gem of Caracalla in amethyst, once in the Treasury of Sainte-Chapelle.

  • A variety of Quartz, occurring with various shades of violet.
  • It is believed to prevent intoxication and thats how its name orignated, the Greek word “amethystos” meaning “not drunken”.
  • Gemstone for February, that’s the reason it got chosen for GEMS this month.
  • It has vitreous luster and  is pretty hard with hardness 7
  • It had great value till 18th century, but had lost some value due to the discovery of extensive deposits in locations such as Brazil

So this was very short info about Amethyst, we would be discussing about it in detail all this month. If you have any info, pics, articles, videos to share about Amethyst do email us at

Image credit :- Marie-Lan Nguyen

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Gemstone Each Month Series (GEMS) January – Garnet quick facts!

by JewelStruck on Jan.06, 2010, under GEMS

Garnet finally is chosen for Gemstone Each Month Series (GEMS), January. As it is also the BirthStone for this month.  So many things coming up lately had delayed this announcement. Anyways better late than never, we would start of with quick facts on Garnet (yeah, as always!)

Anglo-Saxon sword hilt fitting, gold with gemstone inlay of garnet cloisonne

  • Name originates from pomegranate seed or granatum, with similar color
  • Though most common color for garnet is reddish brown, but its found in a virtual rainbow of colors
  • These are group of common silicate minerals which have similar crystal structure & chemical composition
  • Garnet’s are one of most ancient gems used, traced to the Nile Delta in 3100 B.C
  • It is Gemstone for January, also called New York’s Gemstone
  • It has got great Geological importance, been used for interpreting the genesis of many igneous and metamorphic rocks

Thats just to start with, keep watching this series to know more about garnet.  If you have something to share on Garnets, please do email us at Your contribution would be credited and we would be thankful to you for helping us out :-)

Image credit –  portableantiquities

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