VIVIANITE NODULE, Australia XVI018

CARIBBEAN CALCITE, Pakistan XCC006

RHODOCHROSITE POLISHED CARVED HEART P330

STELLAR BEAM CALCITE, ELWOOD MINE, TENNESSEE, GM016

BIXBYITE MINERAL SPECIMEN MANGANESE IRON OXIDE GM008

Gaspeite Rough from Australia XRG020

CARIBBEAN CALCITE SPHERE, Pakistan YCS021

RAINBOW LATTICE SUNSTONE, Australia XLF015

RAINBOW LATTICE SUNSTONE, Australia XLF005

CARIBBEAN CALCITE SPHERE, Pakistan YCS019

CARIBBEAN CALCITE SPHERE, Pakistan YCS018

CARIBBEAN CALCITE POLISHED SLICE P454

CARIBBEAN CALCITE, Pakistan XCC014

BANDED TIGER IRON MICROBIALITE, Archean, Australia ZBI024

VIVIANITE NODULE, Australia XVI016

FULGURITE LIGHTNING STRIKE GLASS MOROCCO MT191

VELVET MALACHITE, Democratic Republic of Congo XVM042

OLIVINE IN BASALT, Hawaii XOB008

BANDED TIGER IRON MICROBIALITE, Archean, Australia ZBI080

RAINBOW LATTICE SUNSTONE CABOCHON, Australia GLSC05

BANDED TIGER IRON MICROBIALITE, Archean, Australia ZBI042

BANDED TIGER IRON MICROBIALITE, Archean, Australia ZBI041

BIXBYITE MINERAL SPECIMEN MANGANESE IRON OXIDE GM007

BIXBYITE MINERAL SPECIMEN MANGANESE IRON OXIDE GM004

BIXBYITE MINERAL SPECIMEN MANGANESE IRON OXIDE GM002

CHALCOCITE with PYRITE on QUARTZITE. Broken Hill NSW M03

Gaspeite Rough from Australia XRG014

BANDED TIGER IRON MICROBIALITE, Archean, Australia ZBI079

SILVER ON CALCITE, Morocco ISI073-75

SILVER ON CALCITE, Morocco ISI070-72

GREEN APOPHYLLITE, STILBITE AND HEULANDITE, India, IGR001-4

CHRYSOCOLLA, Democratic Republic of Congo XCR019

WULFENITE, Western Australia IWF034-36

NATIVE COPPER, Australia INC070-73

NATIVE COPPER, Australia INC066-69

NATIVE COPPER, Australia INC062-65

VELVET MALACHITE, Democratic Republic of the Congo IVE031-34

AMETHYST, Australia IAM009-12

MALACHITE ON NATIVE COPPER, Australia IMC061-64

NATIVE SILVER, Australia INS062-65

NATIVE SILVER, Australia INS058-61

NATIVE SILVER, Australia INS054-57

ROUGH WELO OPAL, Ethiopia XET008

VERA CRUZ AMETHYST, Mexico IVA021-24

STIBNITE, China IST041