Micromounts - American Continents excluding Greenland..........Updated 22 September 2026..........
4078 AURICHALCITE - Chihuahua, Mexico Small sprays of sky blue Aurichalcite on greyish blue Smithsonite SOLD OUT .
4079 BENITOITE & CROSSITE - Dallas Gem Mine, San Benito Co., California, USA Greyish blue Benitoite crystals with greyish blue acicular Crossite crystals on matrix SOLD OUT .
4080 BERYL RED - Violet Claims. Wah Wah Mountains, Utah, USA Single red Beryl crystals 6x4x4xmm, no matrix 10.00 1
4081 BOLEITE - Margarita Mine, Caracoles MD., Sierra Gorda, Antofagasta, Chile Tiny blue cubic Boleite crystals on matrix SOLD OUT .
4082 BOLEITE & PENFIELDITE - Margarita Mine, Caracoles MD., Sierra Gorda, Antofagasta, Chile Tiny blue cubic Boleite crystals with whitish Penfieldite crystals on another part of the specimen SOLD OUT .
4083 BOLEITE, PENFIELDITE & BOLEITE Pseudo after GALENA - Margarita Mine, Caracoles MD., Sierra Gorda, Antofagasta, Chile Tiny blue cubic Boleite crystals with whitish Penfieldite crystals and with an area of galena which has been partially replaced by Boleite SOLD OUT .
4084 CARACOLITE, BOLEITE & BOLEITE Pseudo after GALENA - Margarita Mine, Caracoles MD., Sierra Gorda, Antofagasta, Chile Small colourless hexagonal Caracolite crystals intergrown with tiny blue cubic Boleite crystals with an area of galena which has been partially replaced by Boleite SOLD OUT .
4085 CARMINITE - Mina Ojuela, Mapimi, Durango, Mexico Small red spiky Carminite crystals in cavities in matrix 1.00 1.50p 2.00 1 1 2
4086 CARMINITE & SCORODITE - Mina Ojuela, Mapimi, Durango, Mexico Small red spiky Carminite crystals with grey Scorodite crystals in cavities in matrix 1.00 2
4087 CARNOTITE - Oljeto Mine, Goulding Monument, San Juam Co., Utah, USA Aggregate of small yellow Carnotite crystals on matrix 1.50p 1
4088 CELESTITE & CALCITE - Mojina Mine, Rancho de Mojino, Chihuahua, Mexico Clear Celestite crystals with white Calcite crystals on matrix 1.00 1
4090 CHALCANTHITE - Markey #3, Markey Mine, Red Canyon MD., San Juan Co., Utah, USA Pieces of blue crystalline Chalcanthite, no matrix. Great colour 1.00 2
4091 CHALCOMENITE & COBALTOMENITE - El Dragon Mine, Potosi, Bolivia Minute blue Chalcomenite crystals with spots of pink Cobaltomenite on matrix SOLD OUT .
4092 CLINOCHALCOMENITE - El Dragon Mine, Potosi, Bolivia Small dark blue Clinochalcomenite crystals on matrix SOLD OUT .
3592 CLINOPTILOLITE & MORDENITE - Succor Creek, Malheur Co., Oregon, USA Pale yellow to colourless tabular Clinoptilolite crystals with white fibrous Mordenite in cavities in matrix 2.00 2
4093 CLINOZOISITE - Tepustete Ranch, Alamos, Sonora, Mexico Radiating pink graduating to pale yellow Clinozoisite in matrix SOLD OUT .
4094 COBALTOMENITE - El Dragon Mine, Potosi, Bolivia Areas of pink Cobaltomenite on matrix SOLD OUT .
457 COLEMANITE & CALCITE - Boron, Kern Co., California, USA Colourless Colemanite crystals intergrown with pale yellow Calcite crystals, no matrix 1.00 2.00 1 2
4095 CONICHALCITE - 100 Raise, Gold Hill Mine, Tooele Co., Utah, USA Spheres of tiny green Conichalcite crystals on matrix SOLD OUT .
3077 CONICHALCITE - Mina Ojuela, Mapimi, Durango, Mexico Small green spheres of tiny acicular Conichalcite crystals lining cavities in gossan matrix SOLD OUT .
3593 COPPER - Ray Mine, Gila Co., Arizona, USA Aggregate of Copper crystals, no matrix 2.00 1
4096 CROSSITE & JOAQUINITE - Dallas Gem Mine, San Benito Co., California, USA Greyish blue acicular Crossite crystals with a couple of yellowish "cubic" Joaquinite crystals on matrix SOLD OUT .
4097 CUPRITE - Copper Queen Mine, Bisbee, Cochise Co., Arizona, USA Deep ruby red Cuprite crystals in a cavity in matrix SOLD OUT .
4098 DESCLOIZITE - Apache Mine, Gila Co., Arizona, USA Ting brown Descloizite crystals covering matrix SOLD OUT .
4099 DESTINEZITE - Coronel Manuel Rodrigues Mine, Mejillones, Antofagasta, Chile Dark orange glassy Destinezite crystals in cavities in matrix SOLD OUT .
4100 DESTINEZITE & SIDERONATRITE - Coronel Manuel Rodrigues Mine, Mejillones, Antofagsta, Chile Dark orange glassy Destinezite crystals with yellow powdery Sideronatrite in cavities in matrix SOLD OUT .
4101 DIOPSIDE - Bancroft, Ontario, Canada Dark green rough Diopside crystals, no matrix 1.00 1
4102 DIOPTASE - Harquahala Mine, La Paz Co., Arizona, USA Small green elongated Dioptase crystals on matrix 1.00 1
2514 ELLESTADITE - Crestmore Quarries, Riverside Co., California, USA Pale yellow rounded Ellestadite crystals embedded in blue calcite matrix SOLD OUT .
4103 ELPIDITE - Poudrette Quarry, Mont Ste. Hilaire, Quebec, Canada Mass of white acicular Elpidite crystals with a little reddish Rhodochrosite in cavities in matrix 2.00 1
4104 ELPIDITE & ALBITE - Poudrette Quarry, Mont Ste. Hilaire, Quebec, Canada Mass of white acicular Elpidite crystals with white tabular Albite crystals in matrix 1.50p 1
4105 ENARGITE - Leonard Mine, Butte, Siver Bow Co., Montana, USA Small specimen of nice bright black Enargite crystals, no matrix SOLD OUT .
3078 EPIDOTE - Kuppa Quarry, Oahu, Hawaii, USA Olive green Epidote crystals in cavities in basalt matrix 1.00 1
4106 FRANKLINITE & WILLEMITE - Sterling Mine, Ogdensburg, New Jersey, USA Rounded black Franklinite with pinky spots of Willemite in calcite matrix. Willemite fluoresces bright green best in SW 2.00 1
4107 GILLESPITE & SANBORNITE - Esquire #8 Claim, Big Creek, Fresno Co., California, USA Pinky red crystalline Gillespite with white crystalline Sanbornite in matrix SOLD OUT .
4108 GILLESPITE, TITANTARAMELLITE & SANBORNITE - Esquire #8 Claim, Big Creek, Fresno Co., California, USA Pinky red crystalline Gillespite with dark brown Titantaramellite and white crystalline Sanbornite in matrix SOLD OUT .
2523 GISMONDINE & CHABAZITE - Oak Grove Park, Clackamas River, Clackamas Co., Oregon, USA White Gismondine crystals with small colourless Chabazite crystals in cavities in matrix 1.00 1.50p 2 1
3602 GOETHITE - Ray Mine, Scott Mountain, Pinal Co., Arizona, USA Black botryoidal Goethite on matrix 50p 1.00 1 2
4109 HEMIHEDRITE - Potter-Cramer Claim, Vulture MD., Maricopa Co., Arizona, USA Small patches of orange Hemihedrite in matrix SOLD OUT .
2526 HEMIMORPHITE - 79 Mine, Hayden, Gila Co., Arizona, USA Aggregates of tiny pale blue Hemimorphite crystals in a cavity in gossan matrix 1.50p 1
2527 HIDALGOITE - Gold Hill Mine, Tooele Co., Utah, USA Pale green micro crystallized Hidalgoite crystals forming the bulk of the specimens 1.00 3
4110 HUREAULITE & ROCKBRIDGEITE - Jacao Mine, Galileia, Minas Gerais, Brazil Mass of pink Hureaulite crystals with small blackish Rockbridgeite crystals scattered about, no matrix SOLD OUT .
4111 HYPERSTHENE & HAEMATITE - Summit Rock, Klamath Co., Oregon, USA Brownish Hypersthene crystals with small black hexagonal tabular Haematite crystals on matrix SOLD OUT .
4112 JONESITE & CROSSITE - Dallas Gem Mine, San Benito Co., California, USA Pale to brown rough Jonesite crystals with typical greyoish blue Crossite on mayrix SOLD OUT .
4113 KETTNERITE - Northern Spy Mine, Tintic, Utah Co., Utah, USA Aggregates of pale green Kettnerite spheres in gossan matrix SOLD OUT .
4114 KRUTAITE - El Dragon Mine, Potosi, Bolivia Grey triangular Krutaite crystals on matrix, small specimen SOLD OUT .
4115 KRUTAITE & CHALCOMENITE - El Dragon Mine, Potosi, Bolivia Grey triangular Krutaite crystals with tiny blue Chalcomenite crystal on matrix, small specimen SOLD OUT .
4116 KTENASITE & SELENITE - Hidden Treasure Mine, Tooele Co., Utah, USA Aggregates of small greenish blue Ktenasite crystals with colourless Selenite crystals in cavities in matrix SOLD OUT .
4117 LEMANSKIITE - El Guanaco Mine, Sanata Catalina, Antofagasta, Chile Small blue Lemanskiite crystals in cavities in matrix SOLD OUT .
4118 LEMANSKIITE & CHENEVIXITE - El Guanaco Mine, Sanata Catalina, Antofagasta, Chile Small blue Lemanskiite crystals with greenish Chenevixite on matrix SOLD OUT .
4119 MANSFIELDITE - Perseverancia Mine, Guanaco, Antofagasta, Chile Clusters of small pale blue Mansfieldite crystals on Quartz SOLD OUT .
4120 MARICOPAITE - Moon Anchor Mine, Tonopah, Arizona, USA Small white silky acicular Maricopaite crystals in cavities in matrix 1.50p 1
4121 McGOVERNITE, ZINCITE & FRANKLINITE - Sterling Mine, Ogdensburg, New Jersey, USA Brownish micaceous McGovernite creamy Zincite and black Franklinite in/on calcite matrix 1.50p 1
4122 MIMETITE - Campo Sur, Mina Ojuela, Mapimi, Durango, Mexico Colourless hexagonal Mimetite crystals in cavities in gossan matrix 1.50p 1
4123 MIXITE - Gold Hill Mine, Tooele Co., Utah, USA Small green spheres of tiny acicular Mixite crystals on darker green Cornwallite/Malachite in cavities in gossan matrix SOLD OUT .
4124 MUIRITE - Esquire #7 Claim, Big Creek, Fresno Co., California, USA Small orange bits of crystalline Muirite in matrix SOLD OUT .
2540 NATROLITE - Poudrette Quarry, Mont Ste. Hilaire, Quebec, Canada Cavities in matrix containing brown Natrolite crystals with a white Gonnardite coating and black Aegirine crystals SOLD OUT .
4125 OLIVENITE - Tin Stope, Majuba Hill Mine, Pershing Co., Nevada, USA Dark olive green Olivenite crystals in cavities in matrix SOLD OUT .
4126 OPAL - Carbonera Mine, La Trinidad, Tequisquiapan, Queretaro, Mexico Cavities in matrix lined with whitish Opal which can displays some "colour change" in the right light 1.00 1.50p 2.00 2 4
4127 PANDORAITE - Pandora Mine, La Sal, San Juan Co., Utah, USA Tiny black Pandoraite crystals in cavities in matrix SOLD OUT .
4128 PANDORAITE & PASCOITE - Pandora Mine, La Sal, San Juan Co., Utah, USA Tiny black Pandoraite crystals with small orange Pascoite crystals in cavities in matrix SOLD OUT .
4129 PENROSEITE - El Dragon Mine, Potosi, Bolivia Small piece of silvery grey Penroseite in matrix SOLD OUT .
4130 PHOENICOCROITE & HEMIHEDRITE - Potter-Cramer Claim, Vulture MD., Maricopa Co., Arizona, USA Small patche of red Phoenicocroite with orange Hemihedrite in matrix SOLD OUT .
4131 PROSOPITE & CHRYSOCOLLA - Carlota Mine, Globe-Miami District, Gila Co., Arizona, USA Tiny colourless (x40 mag) Prosopite crystals scattered over pale blue Chrysocolla on matrix SOLD OUT .
4132 PSEUDOBROOKITE & QUARTZ - Thomas Mountain, Juab Co., Utah, USA Shiny black Pseudobrookite crystals on colourless Quartz crystals in cavities in Rhyolite matrix 1.00 1
4133 PYROMORPHITE - Huari-huari Mine, Cornelio Saavedra, Potosi, Bolivia Yellowish green hexagonal Pyromorphite crystals on matrix 1.00 1
4134 PYROMORPHITE - Los Mangos Mine, San isidero, Santa Rosa de Osos, Colombia Yellowish green hexagonal Pyromorphite crystals on matrix SOLD OUT .
4135 QUARTZ - Carla Ziemba Mine, Oppertia?, Peru Cluster of clear Quartz crystals, no matrix SOLD OUT .
4136 RHODOCHROSITE & ELPIDITE - Poudrette Quarry, Mont Ste. Hilaire, Quebec, Canada Reddish rhombohedral Rhodochrosite crystals with white acicular Elpidite crystals, no matrix 1.00 1
2551 RHODOCHROSITE & QUARTZ - Castrovirreyna Mine, Huancavelica, Peru Pale pink Rhodochrosite covered in a layer of small Quartz crystals 1.00 1
4137 SAMPLEITE - Santa Catalina Mine, Caracoles, Sierra Gorda, Antofagasta, Chile Thin blue tabular Sampleite crystals on matrix 1.00 1.50p 1 2
4138 SANTAROSAITE - Santa Rosa Mine, Huantajaya, Iquique, Tarapaca, Chile Tiny blue Santarosaite spheres on matrix SOLD OUT .
4139 SCORODITE & CARMINITE - Mina Ojuela, Mapimi, Durango, Mexico Small grey Scorodite crystals with small red spiky Carminite crystals in cavities in matrix 1.00 4
4140 SERANDITE - Poudrette Quarry, Mont Ste. Hilaire, Quebec, Canada Clusters of pinkish serandite crystals, no matrix 2.00 1
4141 SILVER - Batopilas, Chihuahua, Mexico Aggregate of lightly tarnished Silver crystals protruding from calcite matrix SOLD OUT .
3615 SILVER & ACANTHITE - Highland Bell Mine, Beaverdell, British Columbia, Canada Pieces of Silver partly or completely covered with black Acanthite in quartz matrix 1.00 1
4142 SPINEL variety PLEONASTE - Garfield Hills, Kincaid Siding, Mineral Co., Nevada, USA Black octahedral Pleonaste crystals in/on matrix 50p 1.00 1.50p 2 3 1
4143 TITANTARAMELLITE, BAZIRITE & CELSIAN - Esquire #8 Claim, Big Creek, Fresno Co., California, USA Dark brown Titantaramellite crystals embedded in matrix with colourless to white Bazirite and Celsian. The bazirite can be found by using SW UV light and produces a bluish white fluorescence 2.00 3.00 2 2
4144 TITANTARAMELLITE, GILLESPITE & SANBORNITE - Esquire #8 Claim, Big Creek, Fresno Co., California, USA Dark brown Titantaramellite with pinky red crystalline Gillespite and white crystalline Sanbornite in matrix SOLD OUT .
4145 TSCHERNICHITE - Neer Road, Goble, Columbia Co., Oregon, USA Very small specimen of small colourless Tschernichite crystals, no matrix SOLD OUT .
4146 TSUMCORITE - Campo Sur, Mina Ojuela, Mapimi, Durango, Mexico Small black spiky Tsumcorite crystals lining cavities in gossan matrix SOLD OUT .
4147 TURANITE - Manhatten, Nye Co., Nevada, USA Small green spots and bits of Turanite on matrix SOLD OUT .
4148 VANADINITE & DESCLOIZITE - Apache Mine, Gila Co., Arizona, USA Orange hexaginal Vanadinite crystals with tiny brown Descloizite crystals covering matrix 1.50p 2.00 1 1
3620 WOODHOUSEITE - Champion Mine, Mono Co., California, USA Aggregates of pale brown rhombohedral Woodhouseite crystals on matrix 2.00 2
4149 WULFENITE - Chapacase Mine, Sierra Cerillos, Tocopilla, Chile Bright orange blocky Wulfenite crystals on matrix SOLD OUT .
4150 WULFENITE - Dulcinea Mine, Carrera Pinto, Chile Pale orange/yellow tabular Wulfenite crystals on matrix SOLD OUT .
3101 WULFENITE - JC Holmes Claim, Santa Cruz Co., Arizona, USA Orange tabular Wulfenite crystals in a cavity in matrix SOLD OUT .