Picacho Agate, Rough Rock, per lb Peach Mine and crystals of quartz and

and crystals of quartz and amethyst in the center of the banding

Between 18 mm and 23 mm long

This specimen features pink and yellowish-green banded agate around a quartz center

The chemical formula for Black Tourmaline is NaFe2+3Al6(Si6O18)(BO3)3(OH)3(OH)

Agua Nueva Moss Agate is from the Agua Nueva vein formation

Picacho Agate, Rough Rock, per lb Peach Mine and crystals of quartz andFrom Chihuahua, Mexico, Picacho Agate is a nodular agate with a rough outer matrix in irregular shapes with very few windows. Inner banding can contain parallax and typically features translucent and white agate, with possibility for yellow, blue, or purple coloring. Size range: 2" 6" pieces, with the largest individual nodules at approx. 3lbs Pictured both wet and dry, with examples of cut specimens. If you have a preference on the size or number of