Piauí valley, Taquaral, Itinga, Minas Gerais, Brazil

Small groups of yellow crystals that cover and are with brown prismatic crystals of Childrenite-Eosphorite series with compositional variations in the same crystal from (Mn.59Fe.41)1.00Al[PO4](OH)2 in central parts up to (Fe.49Mn.46Mg.05)1.00Al[PO4](OH)2 in outer ones on a matrix of Berlinite and with well-defined crystals of Beryllonite (mainly ...

© Fabre Minerals https://www.fabreminerals.com

Small groups of yellow crystals that cover and are with brown prismatic crystals of Childrenite, on a matrix of Quartz and Feldspar.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 3.2 x 3 x 2.5 cmMain crystal size: 0.1 x 0.1 cm

© Fabre Minerals https://www.fabreminerals.com

The crystals are prismatic, thin, transparent and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the crystalline Quartz matrix. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, ...

© Fabre Minerals https://www.fabreminerals.com

3.0 x 2.0 x 1.5 cm. Quite uncommon, fluor-elbaite has been found only a few places around the world. The crystals in this cluster are deep blue-green, with great luster and excellent terminations. The fluor-elbaites are gemmy to translucent, and the parallel growth of the crystals gives the specimen a very architectural look. This piece is ...

© Rob Lavinsky & irocks.com

Nice, near complete (bar the few, tiny dings) deep green Fluor-Elbaite crystal, without matrix. Total size 29mm Photo and Specimen Liam Schofield

SEM image. Brick shaped and slightly sheaf-like tabular crystals of Ruifrancoite with composition (Ca2.00Ba0.15)2.15(Fe1.74Mn1.14Mg0.63Zn0.44)3.95(Be3.50Al0.50)4.00[PO4]6(OH3.48O0.52)4.00 and balls of Hydrohylherderite with composition (Ca0.99Mn0.01)1.00Be1.00[PO4](OH0.52F0.45Cl0.03)1.00 on Berlinite matrix of ideal composition. Note radial ...

© Pavel M. Kartashov collection & photo

The crystals are prismatic, quite thick and bright and partially covered by Roscherite. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Feldspar. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do ...

© Fabre Minerals https://www.fabreminerals.com

The crystals are prismatic, thin, transparent and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Quartz and Albite. The analysis ambiguously suggests it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço ...

© Fabre Minerals https://www.fabreminerals.com

Size 9 mm Colletion and photo L. Mattei

© Luigi Mattei

SEM image. Bright in BSE tabular crystals of Ruifrancoite with composition (Ca2.0Ba0.15)2.15(Fe1.74Mn1.14Mg0.63Zn0.44)3.95(Be3.50Al0.50)4.00[PO4]6(OH3.48O0.52)4.00 and balls of Hydroxylherderite with composition (Ca0.99Mn0.01)1.00Be1.00[PO4](OH0.52F0.45Cl0.03)1.00 on Berlinite matrix of ideal composition. The most bright in BSE minor phase ...

© Pavel M. Kartashov collection & photo

wonderful perfect blue-green crystal of this rare new elbaite specie with white balls of "apatite" and some little tabula crystals of autunite in the vug the fluor-elbaite is 4 cm tall collected october 2009 sergio varvello photo and collection

© sergio varvello

The crystals are prismatic, transparent and bright. Their faces and edges are very sharp Due to their color and luster they have a strong contrast with the matrix of Quartz and laminar crystals of Albite. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço ...

© Fabre Minerals https://www.fabreminerals.com

Size 3 mm Colletion and photo L. Mattei

© luigi mattei

Prismatic crystals with well defined faces and edges, with perfect terminations, on a group of Quartz crystals.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

A partially crystallized, colorless quartz crystal is the matrix for several bladed, lustrous, translucent, orangey-brown childrenite crystals, to 1.5 cm in length. There are even a few crystals that are doubly terminated.

© Rob Lavinsky & irocks.com

Small groups of yellow crystals that cover and are with brown prismatic crystals of Childrenite, on a matrix of Feldspar and Mica, probably Lepidolite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 5.5 x 4.7 x 2.7 cmMain crystal size: 0.2 x 0.2 cm

© Fabre Minerals https://www.fabreminerals.com

Donut-shaped isolated growths, green colored, on Quartz crystals and prisms of brown Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 4.9 x 2.7 x 2.6 cmMain crystal size: 0.2 x 0.2 cm

© Fabre Minerals https://www.fabreminerals.com

Childrenite-eosphorite crystals up to 4mm - January of 2007

© Photo & Collection of Martins da Pedra

4.0 x 2.1 x 2.1 cm

© Dan & Diana Weinrich Minerals

The crystals are prismatic, quite thick and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix, a platy Quartz crystal. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, ...

© Fabre Minerals https://www.fabreminerals.com

This is a superb miniature, where a few bladed, lustrous, translucent, orangey-brown childrenite crystals are perched on and away from the milky quartz matrix. The largest childrenite crystal is doubly terminated.

© Rob Lavinsky & irocks.com

colourless uralolite xls, confirmed specimen! In Coll. M. Slama (ex Christian Rewitzer) Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 27 Images using Zerene Stacker (Dmap)

© Martin Slama

White acicular cystals of uralolite and matted masses of uralolite altered from beryllonite. Glassy translucent to transparent unreplaced beryllonite fragments in the center of the mass.

© Van King

Aggregate of very elongated crystals of Childrenite with very sharp faces and edges, partially coated by Roscherite. In a Quartz matrix with Albite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

Field of view: 2.0mm Collection and photo: Marko Burkhardt

© Marko Burkhardt

September of 2009.

© Photo & Collection of Martins da Pedra

The crystals are prismatic, thin, transparent and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Quartz, Albite and Muscovite. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço ...

© Fabre Minerals https://www.fabreminerals.com

The crystals are prismatic, quite thick and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Quartz and Muscovite. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, ...

© Fabre Minerals https://www.fabreminerals.com

This matrix specimen has a lot going for it. There are a few highly lustrous, almost metallic-looking, botryoids, which are the terminal ends of many convergent childrenite crystals. In addition, there are free-standing childrenite crystals and at the very front of the specimen, therefore the best viewing angle, is this exquisite, rosette of ...

© Rob Lavinsky & irocks.com

Very well defined crystals of Childrenite that have excellent sharp terminations. They are translucent, with small spheroidal growths of Roscherite and in matrix of Quartz.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

Childrenite crystals up to 4mm with Milarite crystals up to 1cm on Albite - January of 2007

© Photo & Collection of Martins da Pedra

The crystals are prismatic, thin, transparent and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of crystalline Quartz. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, ...

© Fabre Minerals https://www.fabreminerals.com

acicular uralolite xls on altered beryllonite In Coll. M. Slama Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 29 Images using Zerene Stacker (Dmap)

Cristales tabulares de childrenita marrón. Colección y fotografía: Juan A.M. Barnestein. Tabular crystals of brown childrenite. Collection and photograph: Juan A.M. Barnestein.

© Juan A. M. Barnestein

25 x 15 mm. RFC T1859.

© 2008 Michael C. Roarke

The crystals are prismatic, transparent and bright with very sharp faces and edges. Due to their color and luster they have a strong contrast with the Quartz crystal that is the matrix. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, ...

© Fabre Minerals https://www.fabreminerals.com

Crystals up to 5mm - January of 2007

© Photo & Collection of Martins da Pedra

Brown childrenite, studded with small roscherite crystals, covering one side of a quartz crystal. Childrenite up to 10 mm length. RFC T1833. Several additional views.

© 2007 Michael C. Roarke

Globular green growths, with white crystals of Beryllonite and prisms of brown Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 4 x 2.7 x 2 cmMain crystal size: 0.1 x 0.1 cm

© Fabre Minerals https://www.fabreminerals.com

Milarite crystals up to 1cm - January of 2007

© Photo & Collection of Martins da Pedra

The crystals are prismatic, and quite thick. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Feldspar. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, ...

© Fabre Minerals https://www.fabreminerals.com

The crystals are prismatic, quite thick and bright. Some of them are doubly terminated. Due to their color and luster they have a strong contrast with the matrix of Quartz. The analysis confirms it is Childrenite. Roscherite, also analyzed, is present as very small crystals covering the Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas ...

© Fabre Minerals https://www.fabreminerals.com

Childrenite crystals - January of 2007.

© Photo & Collection of Martins da Pedra

Very well defined crystals of Childrenite that have excellent sharp terminations. They are translucent, with small spheroidal growths of Roscherite and in matrix of Quartz.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

Very well defined crystals of Childrenite that have excellent sharp terminations. They are translucent, with small spheroidal growths of Roscherite crystals of Quartz and globular growths of Mica, probably Muscovite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

Aggregate of very elongated crystals of Childrenite with very sharp faces and edges, partially coated by Roscherite, in a feldspar matrix.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 09/2006.

© Fabre Minerals https://www.fabreminerals.com

Very sharp, translucent-colorless, double terminated Petalite crystal without matrix. Former collection of Kay Robertson, Los Angeles, CA, now in the personal collection of Sharon Cisneros.

© Eugene & Sharon Cisneros

unique specimen of yellow hydroxylherderite, green atencioite and brownish childrenite In Coll. M. Slama Canon EOS 600D with Canon MP-E 65mm f/2.8 1-5x, stacked from 42 Images using Zerene Stacker (Dmap)

© Martin Slama

white beryllonite xls on etched quartz In Coll. M. Slama Canon EOS 250D with Canon MP-E 65mm f/2.8 1-5x, stacked from 37 Images using Zerene Stacker (Pmax)

© Martin Slama

A crystal of Hydroxylherderite in the matrix.

Floating piece full of well terminated (and some biterminated) enlongated crystals of childrenite with very tiny pale green blades of atencioite. See child photo for the other side, completely covered by atencioite.

Rounded aggregates of greenish yellow crystals of this new member of the Roscherite group with Eosphorite on Quarz from the type locality in Piaui Valley, Taquaral, Itinga, Minas Gerais, Brazil. Field of view: 1 cm. Specimen and photo: Knut Eldjarn. Specimen obtained from Luiz Menezes as "co-type" specimen. The Zn-dominant roscherite group mineral ...

© Knut Eldjarn

Elbaite var. Verdelite. Vasco Trancoso collection and photo. Gemmy fan shaped green crystals with red/brownish tips. Size: 10,2 X 1,9 X 1cm.

Gunnar Farber specimen, approx 4cm tall. Tucson 2010.

© J.Ralph 2009

Specimen size: 2.5x4 cm. Rounded aggregates of guimarãesite on a quartz crystal. Paul Bongaerts specimen and photograph.

© Paul Bongaerts

SEM image. Bright in BSE tabular crystals of Ruifrancoite and balls of Hydrohylherderite on Berlinite matrix. The most bright in BSE minor phase overgrow terminations of ruifrancoite crystals is unidentified uranium mineral. Analytical data are presented on daughter photo. Outer appearance of the specimen is accessible on the photo ID 116577. ...

© Pavel M. Kartashov collection & photo

Green rounded aggregates. Field of view: 8 mm. Depth of field is achieved with CombineZM. Collection and photo: Leon Hupperichs.

© Leon Hupperichs

Large lithiophosphate crystals occur in vugs in Albite, some are covered with drusy apatite. This crystal size is 7.3mm.

© Donald Doell

Perfect crystal of Elbaite var. Indicolite. Vasco Trancoso collection and photo. Size: 8 X 1,1 X 0,8cm.

Yellow guimaraesite associated with an undetermined globular, colourless species. FOV 4 x 2 mm Collection and photo Roberto Bosi

© Roberto Bosi

Milarite crystals blueish up to 1mm - January of 2007

© Photo & Collection of Martins da Pedra

Green balls of Guimaraesite. Field of view 4 mm. Specimen and photo Leon Hupperichs.

© Leon Hupperichs

Group of moraesite crystals in association with wilancookite. Sample in the archives of the Geology Department - Federal University of Ouro Preto.

Single crystal of wilancookite on zanazziite. Photo by Luiz Menezes. Sample in the collection of Luiz Menezes.

dimension area mm. 4 x 4 photo and collection Luigi Chiappino

Milarite crystals blueish up to 1mm - January of 2007

© Photo & Collection of Martins da Pedra

Size: 4 X 0,7 cm Collection and photo: Arliguie M

© ARLIGUIE M

Wilancookite dodecahedrons with acicular moraesite. Samples is part of the material used in the mineral description. Sample in the collection of the Geology Department - Federal University of Ouro Preto

Bicoloured Tourmaline. Vasco Trancoso collection and photo. Size: 4,5cm X 2,3cm X 1,4cm. Transparent Specimen which color glows like neon with natural light (photo at day light). No needs to special ilumination on back.

Picture width 1.3 mm. Collection and photograph Christian Rewitzer PXRD confirmed

© Christian Rewitzer 7. 2013

A very rare (only found in a handful of locations) phosphate mineral in a very unusual mineral association. The top and a portion of the side of this this gemmy, green Elbaite crystal is blanketed with the very rare phosphate mineral, Zanazziite.

© Russ Rizzo & Cal Neva Mineral Company

Milarite crystals blueish up to 1mm on Albite - January of 2007

© Photo & Collection of Martins da Pedra

Spherical green growths on a deformed crystal of Quartz and with brown prisms of Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 6.3 x 3.6 x 2.2 cmMain crystal size: 0.1 x 0.1 cm

© Fabre Minerals https://www.fabreminerals.com

Terminated, partially gemmy crystal of spodumene, typical for this deposit. 11.4cm x 5.4cm x 2.6cm.

© Donald Doell

Spherical green growths on a white, well-developed, crystal of Beryllonite, and with brown prisms of Childrenite.Lavra do Poço Dantas, Piauí, Taquaral, Minas Gerais, Brazil.Found in 2006Specimen size: 5.1 x 4.3 x 2.8 cmMain crystal size: 0.1 x 0.1 cm

© Fabre Minerals https://www.fabreminerals.com