Samples from our Mineral Collection

NtvCopper

Native Copper

Keweenaw County, Michigan

25.5 x 21.5 x 12.5 cm
Prehnite

Prehnite

Poona, India

11.25 x 7.5 x 7.5 cm
Adamite

Adamite

Mapimi, Mexico

8.75 x 5 x 1.3 cm
Dumortierite

Dumortierite Crystals (rare) and Slab

Rochester Mining District, Pershing Cty., Nevada

Slab: 9 cm x 19 cm

Crystal Specimen: 21.5 x 23 x 5 cm
ColbaltianDolomite

Cobaltian Dolomite

Tsumeb (formerly Southwest Africa)

12.5 x 7.5 x 6.5 cm
GeodeCalciteQtz

Geode, Calcite on Quartz

Keokuk, Iowa

16 x 16.5 x 9.5 cm
Stromatolite

Stromatolite (?)

prob. Fossil Algae

Location unknown

19 cm x 11.5 cm
Pyriteinslate

Pyrite in Slate

North Austrailia

12.5 x 10 x 4 cm

(Pyrite Sphere is 4 cm diameter)
Lepidolite

Lepidolite (botryoidal)

Peru

12.5 x 6.25 x 7.5 cm
Celestite

Celestite Geode

Katsebe, Madagascar

21.5 cm x 14 x 14 cm
AzurMalBlzbee

Azurite and Malachite

Bisbee, Arizona

6.25 x 5 x 3 cm
ChathamRuby

Chatham Ruby

(Lab grown ruby crystals)

Chatham, San Francisco, California

9 cm length
Azurite

Azurite

Morenci, Arizona

10 x 6.25 x 4.25 cm
Amethyst

Amethyst

Veracruz, Mexico

9.5 x 6.25 x 4 cm
Calcitepyrite

Calcite and Pyrite

Huanzla, Peru

10 x 7.5 x 3 cm
Variscite

Variscite

Utah

11.5 x 7 x 7.5 cm
EmldGraphite

Emerald and Graphite

Brazil

15 x 11.5 x 6 cm
Benitoite

Benitoite and Neptunite

San Benito County, California

21.5 x 12.75 x 4 cm
ChrsycllaQtz

Chrysocolla and Quartz

Arizona

16.5 x 17.5 x 10 cm
Covolojade

Jade

Covelo, California

9 x 7.5 x 2 cm
LeechMtnJade

Jade

Leech Mountain, California

12.5 x 4.5 x 5 cm
SrpntineCppr

Serpentine with Copper

Eureka Area, California

20 cm x 12.5 cm slab
VonsonBlueJade

Jade, Vonson Blue

Marin County, California

13/5 x 10 x 6.25 cm
AgateGeode

Agate Geode


Brazil
20 x 10 x 11.5 cm

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