Tag: calcite
Trancas Geodes with Crystals
Trancas geodes with crystals are quite different from their famous cousins, the Las Choyas geodes. Trancas geodes, also known as "Chihuahua geodes" were discovered...
Calcite Crystal Twins & Other Oddities
Calcite crystal is the most common carbonate found all over the world with more than 600 different crystal habits. When compared to other species,...
Top 10 Druzy Gemstones
Druzy gemstones are cut from natural mineral specimens packed with very small crystal surfaces that reflect light and create a dazzling appearance. The generic...
A Calcite Identification Guide
Calcite identification is important because calcite (CaCO3) is found in many crystal forms and colors and is a popular addition to most mineral collectors’...
Calcite Mineral’s Magical Properties
Calcite mineral properties make this a useful and magical stone. It is one of the most common minerals on earth. Usually white, calcite is...
Sterling Hill Mining Museum
The Sterling Hill Mining Museum in Ogdensburg, New Jersey, is a must-visit for anyone interested in fluorescent minerals. It is located near the town...
Mineral of the Week: Marcasite on Calcite
By Antoinette Rahn
We realize not everything in geology and mineralogy is sparkly, but this specimen certainly adds another level to the sparkly side of...
Parting Shot: Pentagonite, Calcite, and Heulandite
While in Tucson in early 2020, Jonathan Stone of Studio Mineralia had the opportunity to photograph this remarkable specimen of a small cluster of...
Silver-Rich Cobalt, Canada
Story by Bob Jones
The Canadian Shield is the original heart, or core, of the North American continent. The rocks date to the earliest millennia...
Uncommon Emerald Exhibit Opening Sept. 26
NEW YORK — An extensive and uncommon collection of emerald minerals will take center stage at Wilensky Minerals, with the opening of the exhibition...
