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$300.00
Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$325.00
Bournonite (“cogwheel”-esque twins) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$375.00
Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$600.00
Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$225.00
Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$350.00
Bournonite (“cogwheels”) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$125.00
Bournonite (“cogwheel”) on matrix / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$800.00
Bournonite (unique specimen) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$175.00
Bournonite (“cogwheel”) / Locality: Viboras Mine, Machacamarca, Potosi Department, Bolivia
$300.00
Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia
$900.00
Childrenite (rare) on Quartz / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia
$400.00
Childrenite / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia
$1,500.00
K-Feldspar (var: Adularia) (superb twin) with "Chlorite" / Locality - Agenetal (Aeginental), Ulrichen, Goms, Wallis (Valais), Switzerland
$800.00
Cerussite (GEMMY smoky colored "snowflake" twin) / Locality - Tsumeb Mine, Tsumeb Otjikoto Region, Namibia
$1,950.00
Kunzite (doubly-terminated) / (623 grams) / Locality - Nuristan, Afghanistan
$600.00
Dioptase on Calcite (classic material) / Locality - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia
$70.00
Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado
$90.00
Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado
$75.00
Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado
$40.00
Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado
![Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/ed9522/2400026999/il_570xN.2400026999_gbk5.jpg)
![Bournonite (“cogwheel”-esque twins) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/000e15/2400021483/il_570xN.2400021483_o3p1.jpg)
![Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/e7b383/2352422622/il_570xN.2352422622_jvug.jpg)
![Bournonite / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/5f9510/2352418818/il_570xN.2352418818_f5ra.jpg)
![Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/593454/2400004721/il_570xN.2400004721_dpis.jpg)
![Bournonite (“cogwheels”) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/5dfb82/2352408112/il_570xN.2352408112_cd9s.jpg)
![Bournonite (“cogwheel”) on matrix / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/314fbe/2399996613/il_570xN.2399996613_nxnl.jpg)
![Bournonite (unique specimen) / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/dd523c/2399987759/il_570xN.2399987759_9zyi.jpg)
![Bournonite (“cogwheel”) / Locality: Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/1d7bf7/2352391220/il_570xN.2352391220_7lks.jpg)
![Bournonite on Quartz / Locality - Viboras Mine, Machacamarca, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/3d5cf1/2399978553/il_570xN.2399978553_c9to.jpg)
![Childrenite (rare) on Quartz / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/9cf8a2/2352381818/il_570xN.2352381818_epuh.jpg)
![Childrenite / Locality - Siglo XX Mine (Siglo Veinte Mine), Llallagua, Bustillo Province, Potosi Department, Bolivia](https://i.etsystatic.com/23385399/r/il/aec2e3/2399967163/il_570xN.2399967163_im4y.jpg)
![K-Feldspar (var: Adularia) (superb twin) with "Chlorite" / Locality - Agenetal (Aeginental), Ulrichen, Goms, Wallis (Valais), Switzerland](https://i.etsystatic.com/23385399/r/il/895b41/2398870465/il_570xN.2398870465_rm86.jpg)
![Cerussite (GEMMY smoky colored "snowflake" twin) / Locality - Tsumeb Mine, Tsumeb Otjikoto Region, Namibia](https://i.etsystatic.com/23385399/r/il/7ef0fb/2398866931/il_570xN.2398866931_ij29.jpg)
![Kunzite (doubly-terminated) / (623 grams) / Locality - Nuristan, Afghanistan](https://i.etsystatic.com/23385399/r/il/4db0ea/2351272282/il_570xN.2351272282_mg54.jpg)
![Dioptase on Calcite (classic material) / Locality - Tsumeb Mine, Tsumeb, Otjikoto Region, Namibia](https://i.etsystatic.com/23385399/r/il/cb20db/2351269868/il_570xN.2351269868_64xh.jpg)
![Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado](https://i.etsystatic.com/23385399/r/il/ef6371/2351251404/il_570xN.2351251404_5se1.jpg)
![Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado](https://i.etsystatic.com/23385399/r/il/cf8a4e/2351249872/il_570xN.2351249872_fkdl.jpg)
![Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado](https://i.etsystatic.com/23385399/r/il/1a4583/2398841309/il_570xN.2398841309_ue2a.jpg)
![Microcline (variety "Amazonite") / Locality - Lake George Area, Park County, Colorado](https://i.etsystatic.com/23385399/r/il/169589/2398839875/il_570xN.2398839875_3hvl.jpg)