April 20, 2018

 Minerals K ~ Z

 

Thumbnail specimens - micro / macro crystals

Small cabinet pieces + matrix pieces

 

KOLWEZITE

Musonoi Mine, Kolwezi, Kolwezi District, Katanga Copper Crescent, Katanga (Shaba), Democratic Republic of Congo Type locality! Very fine pieces of this rarity! As either light sage-green acicular crystals or as darker green glassy crystals on matrix. $12.00; $15.00; $20.00 2 x $25.00    

 (Cu,Co)2(CO3)(OH)2

990
KUNOHORITE
N'Chwaning II Mine, Kuruman, Hotazel, Kalahari manganese fields, Northern Cape Province, South Africa Superb specimens! Clusters of silky pale pink elongated crystals on matrix. $12.00; $15.00; $20.00

 CaMn2+(CO3)2

918
MALACHITE
Shinkolobwe Mine, Shinkolobwe, Katanga Cu Crescent, Katanga, Democratic Republic of the Congo Extremely fine pieces as highly lustrous silky chatoyant fibrous crystals richly covering matrix. $10.00

Cu2+2(CO3)(OH)2

964
MALACHITE
Aouli, Upper Moulouya lead district, Midelt Province, Drâa-Tafilalet Region, Morocco Sprays of highly ustrous silky emerald green acicular crystals on highly lustrous black Mottramite. $10.00

Cu2+2(CO3)(OH)2

922
MANGANITE
Black Butte Mine, New Boston, between Mena and Luning, Mineral County, Nevada, USA One only - A very fine textured sphere of dark emerald green Malachite in a vug in matrix. $10.00 

Cu2(CO3)(OH)2

936
MANGANITE
 
Black Butte Mine, New Boston, between Mena and Luning, Mineral County, Nevada, USA One only - A very fine textured sphere of dark emerald green Malachite in a vug in matrix. $10.00 

Cu2(CO3)(OH)2

973
MANGANITE
Cupaello Quarry, Santa Rufina, Rieti, Rieti Province, Latium, Italy Type locality! Three only - Spherical aggregates of white to grey-white crystals on matrix. $10.00

(K,Na)5(Ca,Ba)2Al9Si23O64·23H2O

994
MANGANVESUVIANITE
Mount Bonnie Mine, Grove Hill, Northern Territory, Australia Very attractive pieces with pale creamy-brown prismatic crystals on limonite matrix.     (Unmounted specimens available and appear to have tiny lustrous green Bayldonite on matrix.)   $10.00

Pb5(AsO4)3Cl

946
MINYULITE
VanNavSan Claim, Fish Creek Range, Gibellini District, Eureka Co., Nevada, USA A most unusual habit as lustrous silky white to light pink acicular crystal sprays on matrix.   $1200

KAl2(PO4)2(OH,F) · 4H2O

314
MORDENITE
AB

C

Reyes Adobe Road and Route 101 intersection area, Agoura Hills, Santa Monica Mountains, Los Angeles County, California, USA Very fine specimens! Extremely fine pieces with very fine tuft-like masses of snowy white very fine acicular crystals in vugs in matrix.    $15.00

(Na2,Ca,K2)Al2Si10O24 · 7H2O

2484
MORDENITE
Eagle Eye Mine, Moore Mine group, New Water District, New Water Mts, La Paz Co., Arizona, USA  One only - A pretty piece as acicular to almost fibrous crystals on matrix. $10.00     

(Na2,Ca,K2)Al2Si10O24 · 7H2O

9083
MUIRITE
Esquire No. 7 claim, Big Creek, Rush Creek deposit, Big Creek-Rush Creek District, Fresno County, California, USA Type locality! A very rare mineral as highly lustrous translucent orange glassy grains to almost crystals in Sanbornite. $10.00; $12.00 

Ba10Ca2Mn2+Ti[(OH,Cl,F)|HSi2O7]5

322
PHLOGOPITE
Obsidian Cliffs, North Sister Mountain, McKenzie Pass, Lane County, Oregon, USA Very fine dark golden brown crystal in matrix +/- Osumilite, Fayalite, Tridymite.   $10.00

KMg3(AlSi3O10)(OH)2

352
POVONDRAITE

Cristalmayu valley, Cristalmayu, Cristalmayu sub-district, Alto Chapare District, Chapare Province, Cochabamba Department, Bolivia Type locality! One only as very fine highly lustrous black crystals in matrix. $15.00

NaFe33+(Fe43+Mg2)(Si6O18)(BO3)3(OH)3O  

9111
PYRITE
Montecatini Quarry, Carrara, Apuan Alps, Massa-Carrara province, Tuscany, Italy A very fine piece with tiny metallic pyritohedra on Calcite matrix. $10.00

FeS2

2466
PYROPHYLLITE
Graves Mountain, Lincoln County, Georgia, USA Compact masses of lustrous white to red-brown to golden brown lamellar crystals.    $10.00

Al2Si4O10(OH)2

677
PYROXFERROITE
Caspar Quarry, Bellerberg volcano, Ettringen, Mayen, Eifel, Rhineland-Palatinate, Germany Fine pieces! Euhedral dark brown to black stubby to elongated prismatic crystals in vugs in matrix. $12.00    

(Fe,Mn,Ca)SiO3

5
QUETZALCOATLITE
  
                  
Blue Bell Mine, Soda Lake Mountains, Baker, San Bernardino County, California, USA Only one of this very rare remaining!   Very fine pale sky blue elongated to acicular crystal sprays on matrix.    $75.00

Zn6Cu3(TeO6)2(OH)6 · AgxPbyClx+2y

2001
ROSASITE
Fredrickson Mine, Goodsprings District, Clark Co., Nevada, USA "Superb" - Spherical groups of blue-green crystals on matrix +/- Hemimorphite. $10.00

(Cu,Zn)2(CO3)(OH)2

2413
ROSASITE
Ojuela Mine, Mapimí, Municipio de Mapimí, Durango, Mexico "Superb" - A very fine piece with very pale "Dioptase-green" crystals on pale pink Smithsonite.  $12.00

(Cu,Zn)2(CO3)(OH)2

2473
RUTILE
Tucumana Mine, Inca de Oro, Chañaral Province, Chile Very fine golden brick-red crystals of various habit (cubic, stubby prismatic, elongated) with some iridescence in vugs and on matrix. Very pretty pieces!    $10.00

TiO2

708
SAMPLEITE
Santa Catalina Mine, Caracoles, Sierra Gorda District, Antofagasta Region, Chile Lovely pieces! Bright blue spheres or flat-lying sprays of highly lustrous groups of crystals on limonite matrix +/- Libethenite. (Two unmounted specimens $8.00) $10.00; 2 x $15.00    

NaCaCu5(PO4)4Cl · 5H2O

787
STIBARSEN
Uranium Mine No. 7 (Shaft No. 7), Trebsko, Príbram, Central Bohemia Region, Bohemia, Czech Republic A good example of this rarity! Steely-grey metallic botryoids on matrix +/- Calcite.   $10.00

AsSb

59
'THOMSONITE'
Papenoo valley, Papenoo, Tahiti, Windward Islands, French Polynesia Lovely pieces! Colourless glassy lath-like crystals forming sprays or spherules of crystals in vugs in basalt.   $10.00 877
VOLBORTHITE

Newmont Gold Mine bench 5225, Gibellini District, Eureka County, Nevada, USA Three only - A rare Vanadate - Highly lustrous vitreous pistachio green flat-lying radial groups on matrix.   $10.00

Cu3(V2O7)(OH)2 · 2H2O

549
ZOISITE variety THULITE
Birch Creek Rare II Area, Ubehebe Peak, Ubehebe District, Paramint Mts (Panamint Range), Death Valley National Park, Inyo County, California, USA Pretty little micro specimens as very fine examples of this Mn-rich mineral as pale pink to almost colourless tabular crystals on matrix.    $10.00

{Ca2}{Al3}(Si2O7)(SiO4)O(OH)

457
       
 

A-J     K-Z
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