According to the International Gem Society, large, gem-quality rubies can be more valuable than comparably sized diamonds and are certainly…
A powdered glassy substance colored by metal oxides, which is melted onto a metallic surface aided by alkaline FLUX. (read: a flowing or flow)Enamel was in use by the second millennium BCE on gold and silver, and later also on copper.
A chemical spot test that can help identify the approximate composition of a gold or silver alloy.
December is a month with lots going on so I guess that’s why it has three different birthstones 🙂 Let’s start with Blue Zircon Zircon is a mineral belonging to the group of nesosilicates. Its chemical name is zirconium. Zircon forms in silicate melts with large proportions of high field strength incompatible elements. For example, hafniumContinue reading “Celebrating in December?”
Understanding Gold, karats, jewelry, platinum, silver, goldsmith, jewelry manufacturing
There’s a couple of months in the year that have more-than-one options for a birthstone. November happens to have Citrine and yellow Topaz. According to GIA Both November birthstones are known to have calming energies while bringing fortune and warmth to the wearer. Today, we will focus on Topaz. Most topaz and citrine birthstones areContinue reading “For November babies…”
Topaz: Topaz is a silicate mineral of aluminum and fluorine. Topaz crystallizes in the orthorhombic system, and its crystals are mostly prismatic terminated by pyramidal and other faces. It is one of the hardest naturally occurring minerals and is the hardest of any silicate (i.e., silicon-based) mineral. This hardness combined with its usual transparency andContinue reading “November equals Topaz & Citrine”
The origin of the Etruscans has been much debated but, according to present thinking, they were largely native Italians domiciled in central Italy, the modern Tuscany, who had developed their natural resources so skilfully that they became extremely wealthy. In return for their mineral and agricultural products, they were able to import luxuries from GreeceContinue reading “Etruscan…”