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Articles On Gems, Minerals & Crystals
An index of articles related to gems, minerals and crystals by FossilEra.
Latest Articles
Banded Iron Formations (BIF): Ancient Records of Earth's Atmosphere
Banded Iron Formations, or BIFs, are one of Earth's oldest and most intriguing geological records, providing a fascinating window into the planet’s early atmosphere, oceans, and the dawn of life.
Ammolite Announced As Alberta's Official Gemstone
As of Thursday, the 17th of March, Alberta’s government announced plans to name ammolite as the official gemstone of the province. This revelation should surprise no one, as Alberta has become nearly synonymous with the iridescent, fossil ammonite shell.
How Is Tiger's Eye Formed?
Minerals, Crystals, Rocks & Stones: What’s The Difference?
Does Rose Quartz Form Crystals?
Rose quartz is a pink colored variety of quartz that is coarsely crystalline. It is found only in a massive state and does not form individual crystals with external faces.
Purple Crystals & Stones
Outside of amethyst and fluorite, purple is one of the rarer colors in the mineral world.
What Is Amethyst Worth? Amethyst Price & Valuation
Up until the discovery of large amethyst deposits in Brazil during the early 19th century, amethyst was considered a precious gemstone comparable to diamonds, rubies, sapphires and emeralds.
How Do Geodes Form?
What is the largest geode in the world?
Two geodes geodes are claimed to be the largest in the world, the Pulpi Geode in Spain and Ohio's celestite crystal cave.
Agate, Chalcedony & Jasper - What’s the Difference?
Chalcedony is a broad term to describe a microcrystalline form of silica. Agate is any type of chalcedony which is translucent, while jasper is any type of chalcedony which is opaque.
Is Amethyst Quartz?
Yes, amethyst is a purple variety of quartz which owes its color to a combination of trace amounts of iron in the quartz and that has been naturally irradiated.
About Celestite (Celestine)
Celestite is a strontium based mineral that frequently has a deep, sky-blue coloration. It tends to form attractive, well-shaped crystals often found inside of geodes.
Is Kambaba Jasper A Stromatolite?
Kambaba jasper is a greenish stone full of black orbs that superficially resembles fossil stromatolites. But, is it one?
About Minerals & Crystals
Minerals are the building blocks of almost everything earth and crystals are some of nature's most spectacular wonders. But, how do they form.
10 Most Popular Crystals
Crystals are very trendy right now. We've created a list of some of the most popular and colorful ones.