01:13

Gabbro Pegmatite or "Indigo Gabbro". Madagascar.

01:10

Sunstone crystal. Oregon.

01:16

Dunite. Day Book, Yancy County, North Carolina.

01:43

Lace Agate. Mexico.

01:10

Fire Agate. Mexico.

01:05

Fluorite crystals with Chalcopyrite. Cave-In-Rock District Illinois.

01:24

Red capped Amethyst. Thunder Bay, Ontario.

01:03

Petrified Wood. Eden Valley Wyoming.

01:04

Limonite after Pyrite on Garnets.

01:24

Fluorite crystals. Cave-In-Rock District, Illinois.

01:03

Ludlamite and Vivianite crystals in matrix. Amazonas, Brazil.

01:31

Large Epidote crystal cluster. Pakistan.

01:02

Amethyst crystals in matrix. Afghanistan.

01:05

Stichtite and Serpentine. South Africa.

01:07

Limonite after Pyrite with Garnet crystals. North Carolina.

01:09

Garnet crystals and Calcite on matrix. Mexico.

01:26

Moonstone with Aegirine crystals. Pili Mine, Mexico.

01:08

Conichalcite crystals on Limonite. Ojuela Mine, Durango, Mexico.

01:04

Calcite crystals with Palygorskite. Metaline Falls, Washington.

01:18

Petrified Wood. Eden Valley Wyoming.

01:02

Sapphire crystal cluster. North Carolina.

01:04

Sapphire crystals. North Carolina.

01:06

Galena crystals with Mangano Calcite. Peru.

01:09

Norbergite and Graphite in Marble. Lime Crest Quarry, New Jersey.

01:05

Opal, polished.

01:03

Fluorite and Dolomite crystals on Limestone. Kentucky.

01:01

Fluorite with Dolomite. Moscona Mine, Spain.

01:04

Smaragdite with Ruby crystals. Chunky Gal Mountain, North Carolina.

01:02

Ruizite crystals, very rare. Cornwall, Pennsylvania.

01:27

Gabbro Pegmatite or "Indigo Gabbro". Madagascar.

01:26

Fluorite crystals, zoned and stepped. Hardin County Illinois.

01:22

Tourmaline crystals in Albite. Minas Gerais Brazil.

01:03

Calcite crystals in a Trancas Geode. Mexico.

01:24

White Moonstone (Albite). Madagascar.

01:20

Azurite, Cuprite, Malachite, Chrysocolla etc?. Kunene Region, Namibia.

01:08

Chrysocolla, Shattuckite etc. Namibia.

01:06

Labradorite crystal. Madagascar.

01:33

Tourmaline in Pegmatite. Oxford, Maine.

01:09

Wisconsin Moonstone on Syenite. Marathon County Wisconsin.

01:04

Fluorite, Calcite with Chalcopyrite crystals. Hardin County Illinois.

01:08

Ocean Jasper with unique crystal form. Madagascar.

01:39

Mimetite with Barite? Mexico.

01:06

Fluorite crystals with Quartz. South Africa.

01:02

Amethyst crystal. Afghanistan.

01:17

Coral fossil, Milwaukee Wisconsin.

01:02

Mesolite, Thomsonite, Zeolite specimen. India.

01:05

Sunstone crystal. Oregon.

01:06

Excellent Opal on matrix specimen. Spencer Opal mine, Idaho.

01:05

Quartz crystals with Blue Tourmaline. Brazil.

01:09

Fluorite crystals on matrix. San Antonio Mine, Chihuahua, Mexico.

01:33

Blue Tourmaline crystals on terminated Quartz crystals. Brazil.

01:01

Fluorite on Sphalerite. Elmwood Mine Tennessee.

01:07

Fluorite crystals with Chalcopyrite. Illinois.

01:08

Skeletal octahedral Galena and Sphalerite crystals. Oklahoma.

01:17

Rutile crystals in matrix. Graves Mountain Georgia.

01:03

Thomsonite, Mesolite etc. Pradesh India.

01:08

Amethyst crystals in a Calcite matrix. Muqur dist. Afghanistan.

01:06

Septarian nodule. Utah.

01:03

Fluorite on Sphalerite crystals. Elmwood Mine Tennessee.

01:03

Chrysoprase. Minas Gerais Brazil.