Rounds Part 4

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

Azurite is a Copper carbonate mineral that forms in masses, stalactites, botryoidal, and short prismatic crystals. Azurite in crystal form is extre...

This stone is a combination of two very similar materials: Azurite is a deep blue mineral produced by weathered copper ore deposits, and over time,...

Discovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hac...

Discovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hac...

Discovered in Greenland in the late 1890's, hackmanite is named for Finnish geologist Victor Hackman. It is a rare occurrence to find gem-grade hac...

Selenite is a crystal formed from the mineral gypsum, which comes in many forms and color variations, but has been used historically to describe th...

Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile. These “needles” usually appear golden, but can also app...

Rutilated Quartz is a silicon dioxide mineral with unique needle-like inclusions of Rutile. These “needles” usually appear golden, but can also app...

Black Tourmaline is a black crystalline aluminum borosilicate mineral with occasional light gray inclusions that appear as flecks or veins. Tourmal...

Blue Lace Agate is a naturally occuring soft blue agate, laced with bands or swirls of brighter blue, periwinkle, white and occasionally gray or br...

Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline C...

Chrysoprase is a bright apple green, translucent stone, whose color often caused ancient jewelers to confuse it with Emerald. A cryptocrystalline C...

This variety of opal is named "dendritic" for the small inclusions within it that resemble moss or ferns. These inclusions consist of iron, mangane...

Feldspars are a group of rock-forming aluminium tectosilicate minerals, containing sodium, calcium, potassium or barium. The most common members of...

Feldspars are a group of rock-forming aluminium tectosilicate minerals, containing sodium, calcium, potassium or barium. The most common members of...

Cat’s Eye is a quartz stone that appears in a range of colors including white, gray, green, yellow and brown. The fibrous asbestos inclusions in th...

Cat’s Eye is a quartz stone that appears in a range of colors including white, gray, green, yellow and brown. The fibrous asbestos inclusions in th...

Porcelain Agate is a natural agate that is dyed and heated to give it a pattern that resembles porcelain.

This unique stone is named after a now debunked theory of a continent called “Lemuria” thought to have sunk into the Indian Ocean. Though it is wid...

This unique stone is named after a now debunked theory of a continent called “Lemuria” thought to have sunk into the Indian Ocean. Though it is wid...

Porcelain Agate is a natural agate that is dyed and heated to give it a pattern that resembles porcelain.