Alluaudite

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 2 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Picture width is 8mm. Yellow-brown masses of Alluaudite. Depth of field is achieved with CombineZM.

© Elmar Lackner 2006

Alluaudite, Triplite

Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland

Greenish tiny grains of alluaudite covering and beeing surrounded by flesh-coloured massive triplite. The small cavity close to the photo center is 1 mm wide. Specimen obtained at Tisnov show, May 2008.

© Łukasz Kruszewski 2007

Alluaudite, Heterosite

Crystal Snow Mine, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Width of field is 2.5 mm. Collection of Jesse Crawford. The depth of field has been enhanced using CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope. Yellowish brown alluaudite on purple heterosite.

© 2008 by Jesse Crawford

Alluaudite, Variscite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow crystals upon a pink variscite crystal area 1,8 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Chanteloube, Razès, Bellac, Haute-Vienne, Nouvelle-Aquitaine, France

Very old sample (probably collected in the middle of the 19th century) of dark brown alluaudite (possible ferroalluaudite) with violet phosphosiderite from Chanteloube, Haute-Vienne, France. This specimen was in an old collection in which all specimens were presented on wood bases, with a hand-written label. Furthermore, it was accompanied with 3 ...

© Alain TUEL

Alluaudite

Lookout Quarry, Rumford, Oxford County, Maine, USA

Greenish black allluadite replacement of triphylite in albite and quartz. The alluaudite shows small patches with good cleavage and does not have a radial fibrous structure. FOV = 5 x 8 mm

© Van King

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals area 1,6 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Varuträsk, Skellefteå, Västerbotten County, Sweden

Single yellow microcristal on matrix (

© Adam Bartnik

Alluaudite, Heterosite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Yellow-brown Alluauite with minor purple-black Heterosite, 25mm x 15mm specimen. Former Jaroslav Hyrsl collection. Rolf Luetcke specimen and photo.

Alluaudite, Triplite

Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland

Flesh-coloured massive triplite. Such triplite aggregates are surrounded by yet unidetified massive black mineral and then by aggregated biotite blades and sit in a huge microcline crystal(s). The colourless segregation (likely of quartz) in the NE part of the photo is max. 1.9 mm wide. Specimen obtained at Tisnov show, May 2008.

© Łukasz Kruszewski 2007

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

an orange crystal on goethite dimension 0,8 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Yellowish-brown Alluaudite masses on unidentified matrix (most likely Heterosite) Acquired from Francis Coune at the mineral show in Hannut, Belgium on 6 March 2016

Alluaudite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Collection and photo: Giorgio Bortolozzi.

Alluaudite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal

Olympus C-750 digital cámara Dirty white eartthy and some Coronadite

© Photo Copyright Angel Roldán - This image is copyrighted. Unauthorized reproduction prohibited

Alluaudite, Heterosite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Khaki green Alluaudite associated with purplish to black Heterosite

© mindat.org

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 1 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 2 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 1 mm self collected 2009 sergio varvello photo and collection

Alluaudite, Vivianite, Muscovite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Green alluaudite with azur vivianite and white muscovite. Base 4 mm. Collection and photo Giorgio Bortolozzi.

Alluaudite, Vivianite

Přibyslavice, Vlkaneč, Kutná Hora District, Central Bohemian Region, Czech Republic

Alluaudite, Heterosite

Storm Mountain Mine, Storm Mountain, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Olive-green alluaudite on pegmatite matrix with vivid purple heterosite. Purchased in 2019.

© Andrew Hodgson

Alluaudite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Collection and photo: Giorgio Bortolozzi.

Alluaudite

Hunnakko, Alavus, South Ostrobothnia, Finland

Very rich blackish-green alluaudite in matrix with other phosphates. Purchased from Christian Rewitzer in 2020.

© Andrew Hodgson

Alluaudite

Big Boulder Mine, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Dull yellow aluaudite, altering slightly toward faintly purplish purpurite-heterosite at the lower left corner. A few patches of chalk-white hydroxylapatite are also present on the alluaudite. Self-collected by D. A. Polhemus and H. T. Polhemus in July 2022; currently in the Polhemus collection, catalog # POL-MIN-2022-0124. Dan A. Polhemus ...

© Dan A. Polhemus, 2022

Alluaudite, Lithiophilite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Glassy olive-brown alluaudite in dull brown altering lithiophilite; ex. Albert Delvaux. S420-824 N7550N

© 2024 JGW

Alluaudite, Triplite

Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland

Greenish tiny grains of alluaudite covering and beeing surrounded by flesh-coloured massive triplite. The small cavity close to the photo center is 1 mm wide. Specimen obtained at Tisnov show, May 2008.

© Łukasz Kruszewski 2007

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 2 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Picture width is 8mm. Yellow-brown masses of Alluaudite. Depth of field is achieved with CombineZM.

© Elmar Lackner 2006

Alluaudite, Heterosite

Crystal Snow Mine, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Width of field is 2.5 mm. Collection of Jesse Crawford. The depth of field has been enhanced using CombineZP. Equipment: Nikon D-100 digital camera on a homemade microscope. Yellowish brown alluaudite on purple heterosite.

© 2008 by Jesse Crawford

Alluaudite, Variscite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow crystals upon a pink variscite crystal area 1,8 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Chanteloube, Razès, Bellac, Haute-Vienne, Nouvelle-Aquitaine, France

Very old sample (probably collected in the middle of the 19th century) of dark brown alluaudite (possible ferroalluaudite) with violet phosphosiderite from Chanteloube, Haute-Vienne, France. This specimen was in an old collection in which all specimens were presented on wood bases, with a hand-written label. Furthermore, it was accompanied with 3 ...

© Alain TUEL

Alluaudite

Varuträsk, Skellefteå, Västerbotten County, Sweden

Single yellow microcristal on matrix (

© Adam Bartnik

Alluaudite

Lookout Quarry, Rumford, Oxford County, Maine, USA

Greenish black allluadite replacement of triphylite in albite and quartz. The alluaudite shows small patches with good cleavage and does not have a radial fibrous structure. FOV = 5 x 8 mm

© Van King

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals area 1,6 mm self collected 2009 sergio varvello photo and collection

Alluaudite, Heterosite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Yellow-brown Alluauite with minor purple-black Heterosite, 25mm x 15mm specimen. Former Jaroslav Hyrsl collection. Rolf Luetcke specimen and photo.

Alluaudite, Triplite

Viitaniemi pegmatite, Eräjärvi area, Orivesi, Pirkanmaa, Finland

Flesh-coloured massive triplite. Such triplite aggregates are surrounded by yet unidetified massive black mineral and then by aggregated biotite blades and sit in a huge microcline crystal(s). The colourless segregation (likely of quartz) in the NE part of the photo is max. 1.9 mm wide. Specimen obtained at Tisnov show, May 2008.

© Łukasz Kruszewski 2007

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

an orange crystal on goethite dimension 0,8 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Cubos-Mesquitela-Mangualde area, Mangualde, Mangualde, Viseu, Portugal

Olympus C-750 digital cámara Dirty white eartthy and some Coronadite

© Photo Copyright Angel Roldán - This image is copyrighted. Unauthorized reproduction prohibited

Alluaudite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Yellowish-brown Alluaudite masses on unidentified matrix (most likely Heterosite) Acquired from Francis Coune at the mineral show in Hannut, Belgium on 6 March 2016

Alluaudite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Collection and photo: Giorgio Bortolozzi.

Alluaudite, Heterosite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Khaki green Alluaudite associated with purplish to black Heterosite

© mindat.org

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 1 mm self collected 2009 sergio varvello photo and collection

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 2 mm self collected 2009 sergio varvello photo and collection

Alluaudite, Vivianite

Přibyslavice, Vlkaneč, Kutná Hora District, Central Bohemian Region, Czech Republic

Alluaudite

Boa Vista pegmatite, Barra do Cuieté, Conselheiro Pena, Minas Gerais, Brazil

a group of yellow-orange crystals on rockbridgeite vug area 1 mm self collected 2009 sergio varvello photo and collection

Alluaudite, Vivianite, Muscovite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Green alluaudite with azur vivianite and white muscovite. Base 4 mm. Collection and photo Giorgio Bortolozzi.

Alluaudite, Heterosite

Storm Mountain Mine, Storm Mountain, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Olive-green alluaudite on pegmatite matrix with vivid purple heterosite. Purchased in 2019.

© Andrew Hodgson

Alluaudite

Malga Garbella di sotto, Ceresè, Rabbi, Trento Province, Trentino-Alto Adige/Südtirol, Italy

Collection and photo: Giorgio Bortolozzi.

Alluaudite

Hunnakko, Alavus, South Ostrobothnia, Finland

Very rich blackish-green alluaudite in matrix with other phosphates. Purchased from Christian Rewitzer in 2020.

© Andrew Hodgson

Alluaudite

Big Boulder Mine, Crystal Mountain Pegmatite Mining District, Larimer County, Colorado, USA

Dull yellow aluaudite, altering slightly toward faintly purplish purpurite-heterosite at the lower left corner. A few patches of chalk-white hydroxylapatite are also present on the alluaudite. Self-collected by D. A. Polhemus and H. T. Polhemus in July 2022; currently in the Polhemus collection, catalog # POL-MIN-2022-0124. Dan A. Polhemus ...

© Dan A. Polhemus, 2022

Alluaudite, Lithiophilite

Buranga pegmatite, Muhororo, Ngororero District, Western Province, Rwanda

Glassy olive-brown alluaudite in dull brown altering lithiophilite; ex. Albert Delvaux. S420-824 N7550N

© 2024 JGW