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Mohs scale of mineral hardness. PDF Print E-mail
Tuesday, 18 October 2011 14:21
Calculation of hardness

The hardness of a mineral (or precious stone) is its resistance to being scratched by another, and to measure it is used the so-called Mohs Scale. The article by Esperanza Blanco for  www.profes.net explains us the details.

Last Updated on Wednesday, 19 October 2011 13:20
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Enamel, delicate beauty. PDF Print E-mail
Thursday, 03 March 2011 14:32
Jewel by George Hunt

Enamel is one of the most beautiful and delicate techniques of jewelry. Its age also makes it a classic jewelry. We caught a www.joyeria.us article that seems perfect to illustrate the theme.

Last Updated on Thursday, 03 March 2011 22:55
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The cut of the gemstones. PDF Print E-mail
Monday, 11 April 2011 04:15
Brilliant-cut diamonds

The cutting style of a gemstone is very important when putting a price on it. If it's good quality, much of the amount of light falling on it and exalt remain within their natural color. Stone carving, an art that requires precision and practice.

Last Updated on Tuesday, 12 April 2011 01:53
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Domestic polished gold jewelry. PDF Print E-mail
Thursday, 03 February 2011 15:36
Polished gold for professional

In the blog "QUESTIONS AND ANSWERS about Jewelry and Graduation Rings" we have found a great (and useful) article about the domestic polished of our gold jewels. Learn simple tricks to polish metal jewelry of gold with this document.

Last Updated on Thursday, 03 February 2011 18:14
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