Isaias Casanova's Image Gallery

Isaias Casanova's Image Gallery
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Images from Isaias Casanova

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Isaias Casanova's Image Gallery With 19 Images

Albite Image

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Albite: NaAlSi3O8  
Schorl: NaFe++3Al6(BO3)3Si6O18(OH)4

Comments: Several jet-black lustrous crystals of schorl perched on a white albite matrix.
Location: Shengus, Gilgit, Pakistan. Scale: 4 x 3 x 2 cm.
© Isaias Casanova / IC Minerals

Anhydrite Image

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Anhydrite: CaSO4

Comments: Several terminated groups of light blue anhydrite crystals in parallel growth.
Location: Naica. Chihuahua, Mexico. Scale: 9.5 x 8 x 6 cm.
© Isaias Casanova / IC Minerals

Barite Image

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Barite: BaSO4  
Jacobsite: (Mn++,Fe++,Mg)(Fe+++,Mn+++)2O4

Comments: Sharp, octahedral crystals of Jacobsite on a bladed barite matrix.
Location: N' Chwaning II Mine, Kuruman, South Africa. Scale: 3x2.5x1.9 cm.
© Isaias Casanova / IC Minerals

Barite Image

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Barite: BaSO4  
Wurtzite: (Zn,Fe)S

Comments: Compact, dark, metallic crystals of wurtzite intermixed with galena crystals and white barite blades.
Location: Huanzala, Huanuco Dept., Peru. Scale: 5 x 4 x 2.5 cm.
© Isaias Casanova / IC Minerals

Bixbyite Image

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Bixbyite: (Mn+++,Fe+++)2O3

Comments: Cubic crystals of bixbyite reaching 5 mm sit on a crude pseudomorph of hematite after garnet.
Location: Thomas Range, Juab Co., Utah, USA. Scale: 1.5 x 1.6 cm.
© Isaias Casanova / IC Minerals

Bournonite Image

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Bournonite: PbCuSbS3

Comments: Lustrous, silvery crystals of bournonite on massive bournonite.
Location: Mercedes Mine, Huanuco Dept., Peru. Scale: 3x3x2.7 cm.
© Isaias Casanova / IC Minerals

Cafarsite Image

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Cafarsite: Ca8(Ti,Fe++,Fe+++,Mn)6-7(As+++O3)12·4(H2O)

Comments: Octahedron of cafarsite with a green coloration (?) on a gneiss matrix.
Location: Vasl D' Aosta, Italy. Scale: 4.6x4.5x3.2 cm.
© Isaias Casanova / IC Minerals

Enargite Image

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Enargite: Cu3AsS4

Comments: Lustrous, metallic gray columnar crystals of enargite with minor quartz.
Location: Quiruvilca, La Libertad Dept., Peru. Scale: 4.2x2x2.3 cm.
© Isaias Casanova / IC Minerals

Heklaite Image

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Heklaite: KNaSiF6

Comments: Post mining sample of heklaite..
Location: Bone Valley Phosphate Mining District, near Bartow, Polk County, Florida. Scale: Specimen size 8.6 x 5.5 x 4.2 cm.
© Isaias Casanova / IC Minerals

Heulandite-Ca Image

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Heulandite-Ca: (Ca,Na)2-3Al3(Al,Si)2Si13O36·12(H2O)

Comments: Crystals of heulandite with a green color due to chlorite inclusions.
Location: Malagaon, India. Scale: 5 x 4.5 x 3 cm.
© Isaias Casanova / IC Minerals

Hyalophane Image

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Hyalophane: (K,Ba)Al(Si,Al)3O8

Comments: Twinned crystal of hyalophane slightly yellow from iron stains.
Location: Sarajevo, Bosnia, Yugoslavia. Scale: 4 x 3 cm.
© Isaias Casanova / IC Minerals

Jacobsite Image

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Jacobsite: (Mn++,Fe++,Mg)(Fe+++,Mn+++)2O4  
Barite: BaSO4

Comments: Sharp, octahedral crystals of Jacobsite on a bladed barite matrix.
Location: N' Chwaning II Mine, Kuruman, South Africa. Scale: 3x2.5x1.9 cm.
© Isaias Casanova / IC Minerals

Kyanite Image

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Kyanite: Al2SiO5 = Al[6]Al[6]OSiO4

Comments: Two terminated, bright blue crystals of kyanite in a white quartz matrix.
Location: Barra do Salinas, Minas Gerais, Brazil. Scale: 9.5 x 4 x 4 cm.
© Isaias Casanova / IC Minerals

Lazurite Image

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Lazurite: Na3Ca(Al3Si3O12)S

Comments: A single, deep blue, dodecahedron of Lazurite measuring 1 cm on a white marble matrix.
Location: Firgamu, Badakhashan Province, Afghanistan. Scale: 1.2 x 1 x 0.9 cm.
© Isaias Casanova / IC Minerals

Molybdenite Image

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Molybdenite: MoS2

Comments: Sharp metallic molybdenite crystal on matrix.
Location: Crown Point Mine, Washington. Scale: 4x4x2.3 cm.
© Isaias Casanova / IC Minerals

Opal Image

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Opal: SiO2·n(H2O)

Comments: Colorful white opal on a sandstone matrix.
Location: Queensland, Australia. Scale: 9 x 6 x 3 cm.
© Isaias Casanova / IC Minerals

Paravauxite Image

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Paravauxite: Fe++Al2(PO4)2(OH)2·8(H2O)

Comments: Radiating group of pastel blue/green paravauxite crystals to 1cm.
Location: Siglo XX Mine, Llallagua, Bolivia. Scale: 1.8 x 1.5 x 1 cm.
© Isaias Casanova / IC Minerals

Rhodizite Image

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Rhodizite: (K,Cs)Al4Be4(B,Be)12O28

Comments: Several yellow, gemmy crystals of rhodizite frozen in a feldspar matrix.
Location: Sahanivotry, Sahatany Valley, Madagascar. Scale: 3 x 2.5 x 2 cm.
© Isaias Casanova / IC Minerals

Schorl Image

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Schorl: NaFe++3Al6(BO3)3Si6O18(OH)4  
Albite: NaAlSi3O8

Comments: Several jet-black lustrous crystals of schorl perched on a white albite matrix.
Location: Shengus, Gilgit, Pakistan. Scale: 4 x 3 x 2 cm.
© Isaias Casanova / IC Minerals

Titanite Image

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Titanite: CaTiSiO5

Comments: Several twinned green crystals of Titanite (sphene) on matrix.
Location: Capelinha, Minas Gerais, Brazil. Scale: 5.5x5x3.5 cm.
© Isaias Casanova / IC Minerals
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