Tag: spinel
What are the Birthstones by Month?
What are the birthstones by month? What is your birthstone? For as long as humans have been fascinated with precious gems, they have assigned...
Where are Spinel Gems Found?
Where are spinel gems found? In the vibrant realm of colored gemstones, spinel holds an illustrious, yet surprisingly overlooked, position in the crown of...
What are Gold-Pan Concentrates?
Gold panners tend to categorize their pan concentrates as either gold or “black sand”—and discard the latter without much of a second look. And...
Getting to Know Spinel
Spinel (magnesium aluminum oxide) forms beautiful crystals that are sometimes confused for the brilliant-red gem variety of corundum known as ruby. Unlike rubies, which...
