Marcasite & Pyrite Specimen #7 Jasper It may also be confused

It may also be confused with Hemimorphite and other similar minerals

That makes it not only one of the last abelisaurids to live before the mass extinction

and is found in many locations worldwide

and he has given them the name Celestial Blue Agate to reflect the delicate nature of the newly revealed crystals

and is used in the production of steel

Marcasite & Pyrite Specimen #7 Jasper It may also be confusedThis unusual lot of Marcasite with Pyrite with some Quartz from Morocco was one of Stu's favourite Tucson 2025 purchases! This piece features lots of delicate crystal blades, some iridescent Chalcopyrite and druzy Quartz. You will receive the exact Pyrite & Marcasite specimen pictured. Marcasite is a polymorph of Pyrite, meaning has the same chemical formula as Pyrite, but a different crystal structure. In the jewellery trade Pyrite used in jewellery