7.25" Red Spinel & Pargasite on Calcite Specimen Birthstone - Loose Green Synthetic Drop Earrings set

Green Synthetic Drop Earrings set in sterling silver

51mm Origin Quilpie Mining District

The Origin: Baja California

Vintage white gold emerald marquise halo shape ring from the 1930's

fluorescence: approximately half of diamonds fluoresce

7.25" Red Spinel & Pargasite on Calcite Specimen Birthstone - Loose Green Synthetic Drop Earrings setSpinel and Pargasite on Calcite An extraordinary sampling from the Luc Yen District of Vietnam, this 7. 25+ inch long mineral specimen exhibits more than six red spinel crystals and green pargasite crystals dispersed throughout the white calcite conglomerate matrix. Crystals are large and prominently display their iconic structures. Mineral Varieties Spinel, Pargasite, Calcite Weight (pounds) 1. 75+lbs Weight (kilograms) 0. 8kg Dimensions (inches) 7.