Zircon var. Cyrtolite - Zirconium Ore
Size: 48x32x24mm
Weight: 55 Grams
Formula: Zr(SiO4)
43.14% Zirconium by mass
Locality: North Star Deposit, Petaca Mining District, Rio Arriba County, New Mexico, USA
Cyrtolite is a variety of zircon, typically occurring as brown to black, opaque to translucent crystals with a resinous to vitreous luster. It is commonly found in granitic pegmatites and may be radioactive due to its elevated heavy metals abundance.
Collected using the Ultimate Scintillation Detector - The yDog. XRF analysis report, signed by Charles Young, included.
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