Tags Mineral Researches

Tag: Mineral Researches

Mines in Texas & New Mexico : Mines Where You Can...

Texas and New Mexico each have a good range of mineral specimens to be found from fluorite, quartz, opals, barite, agates, chalcedony and more....

The Mawenzi : The Largest Tanzanite rough in the World

The Largest Tanzanite rough in the World The world's largest piece of rough tanzanite has been found at a mine in northern Tanzania in 2005,...

Blue Quartz : What is Blue Quartz? How does Blue Quartz...

What is Quartz? Quartz is a crystalline, strong mineral made up of silicon and oxygen atoms. The atoms are linked in a continuous SiO4 Silicon–oxygen...

Desert Rose : What is Desert Rose? How Do Desert Roses...

Desert Rose Rock Desert rose is the colloquial name given to rose-like formations of gypsum or baryte crystal clusters which contain abundant grains of sand....

Fluorescence : Why Minerals Fluoresce?

Fluorescence is the emission of light by a substance that has absorbed light or other electromagnetic radiation. It is a form of luminescence. In...

Where is the greatest risk to our mineral resource supplies?

Policymakers and the U.S. manufacturing sector now have a powerful tool to help them identify which mineral commodities they rely on that are most...

World’s Largest Fluorescent Rock Found in New Jersey

In a New Jersey mine spanning 2,670 vertical feet—more than twice as deep as the Empire State Building is tall—visitors might notice a little...

Alaska Centennial Nugget : Largest Gold Nugget Ever Found in Alaska

The largest gold nugget ever found in Alaska is named the Alaska Centennial Nugget. It weighs a whopping 294.10 troy ounces, and was found...

Welcome Stranger Nugget : World’s Largest Gold Nugget found in Australia

Gold nuggets are pieces of native gold which occur naturally. Water and erosion concentrate the accumulation of nuggets which are collected by the methods...

Charoite : What is Charoite Stone? How is Charoite Formed?

What is Charoite Stone? Charoite (K(Ca, Na)2Si4O10(OH, F)·H2O) is a rare mineral silicate, first described in 1978 and named for the River Chara. It was...

Topaz Color : What Color Is Topaz? What causes color in...

Topaz is a silicate aluminum and fluorine mineral with the Al2SiO4(F, OH)2 chemical formula. Topaz crystallizes in the orthorhombic system, and its crystals are...

Fire Agate : What is fire agate? How fire agate is...

Fire Agate The fire agate is a semi-precious natural gemstone which has only been discovered in certain areas of central, northern Mexico (New Mexico, Arizona...

Gachalá Emerald : One of the most valuable and famous emeralds...

The Gachala Emerald was discovered in 1967 in the mine called Vega de San Juan, located in Gachala, a town in Colombia, 142 km...

Types of Agate : What are the different types of agate?

What Is Agate? Agate is a gemstone used in different pieces of decoration and jewelry. It's made of silica and chalcedony. The silica crystals, mostly...

Opals in Oregon : Where to Find Opals in Oregon?

Opals are made out of rhyolite, basalt, sandstone, marl and rhyolite. A common source of opals are rhyolite geodes. The rocks, which means they...

Cantera Opal : What is Cantera Opal ? How Cantera Opal...

What is Cantera Opal ? Cantera opal is a type of Fire opals that do not show play of color are sometimes referred to as...

Obsidian : How to Identify Obsidian?

Obsidian is a natural volcanic glass that is formed as an igneous rock that is extrusive. Obsidian is formed by rapidly cooling felsic lava extruded...

Opalized “Petrified” Wood

What is Opalized Wood "Wood opal"? Wood opal is a form of petrified wood which has developed an opalescent sheen or, more rarely, where the...

What are the Different Types and Colors of Moonstone? [With Pictures]

What is Moonstone? Moonstone is a sodium potassium aluminium silicate ((Na,K)AlSi3O8) of the feldspar group that displays a pearly and opalescent schiller. An alternative name...

Moonstone vs Opal : What’s the difference between Moonstone and Opal?

Moonstone vs Opal Chemical Composition Opal : (SiO2·nH2O) Moonstone : ((Na,K)AlSi3O8) About Moonstone vs Opal Opal Opal is a hydrated amorphous form of silica (SiO2·nH2O); its water content can range...

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