44 results for turquoise

Turquoise is probably one of the most recognized semiprecious gemstones in existence. Turquoise has been popular for cabochons since prehistoric times. It is believed to be one of the first...

 

What are the Birthstones and Zodiac Stones, and what do they mean? Just when the Zodiac Signs were declared is unclear.  Some form of zodiac use preceded the Babylonians, though it was the...

The Bible makes numerous references to stones:  The first mention of stones in the Bible (Exodus 28:17-20) has to do with the stones in Aaron's breastplate. Aaron was Moses' brother and led the...

Chrysocolla is a hydrated copper silicate and is found in the copper oxide zones of major copper deposits. Chrysocolla is usually found with other copper ores, most commonly Malachite. Arizona is...

What is my state's official state rock, mineral, or fossil?   Alabama designated Hematite as the state mineral in 1967, Hematite as the state rock in 1969, and Star Blue Quartz as the state...

Texas produces a large variety of gemstones, rocks, minerals and fossils. Sandy sediments typical of the coastal plain make up southeastern Texas. Behind this lies the Llano uplift of central Texas...

Copper Gemstones are stones that contain Native Copper or copper minerals. Thirteen metals occur as native elements.  Obviously gold and silver are the most well known, but Native Copper...

Mining in Arizona has always been very important. Over 900 different minerals have been discovered in Arizona. Hundreds of towns in Arizona owe their very existence to mining operations. Arizona’s eco