2.85" Polished Barite, Quartz & Agate Sphere - Arizona

This is an interesting 2.85" wide sphere composed of colorful barite, quartz, and agate bands, collected in Arizona. The layers of minerals come together to create a stunning mineral specimen. The sphere has been polished to a glossy finish. Comes with an acrylic ring display stand.

About Barite (Baryte)

Barite is a barium sulfate mineral (BaSO₄) known for its high specific gravity, which makes it unusually heavy for a non-metallic mineral. Typically forming in tabular or bladed crystals, barite can also appear in massive, fibrous, or nodular habits. Its colors range from colorless and white to shades of blue, yellow, gray, or brown, often influenced by trace impurities. Barite commonly forms in hydrothermal veins, sedimentary rocks, and as a gangue mineral in lead-zinc ore deposits. It is widely used in industrial applications, especially as a weighting agent in drilling muds for oil and gas exploration. Its striking crystal formations and vivid hues also make it a popular mineral for collectors.

About Agate

Agate is a variety of microcrystalline quartz (chalcedony) that displays translucence and, in some cases, banding. Agate primarily forms when silica-rich fluids fill pockets within rocks and/or fossils, depositing the silica along the walls of the rock. This process can result in banding patterns, as the compositions and impurities of these depositing fluids change over time. These banding patterns can either form as flat layers, creating linear patterns known as waterline agate, or as rounded layers, forming more common ring-like patterns. These patterns depend on the surfaces available for deposition.
FOR SALE
$165
DETAILS
SPECIES
Barite, Quartz & Chalcedony var. Agate
LOCATION
Arizona
SIZE
2.85" diameter
CATEGORY
ITEM
#371246