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X5E-2E1 Londonite-Rhodizite Series

Antsongombato gem mine, Antsentsindrano, Anosiarivo Manapa, Betafo District, Vakinankaratra, Madagascar

Dimensions: 41 mm x 42 mm x 32 mm
Largest Crystal Size: 21 mm

Very shiny and remarkably gemmy isomorphic crystal with pink tourmaline crystals and quartz.

Photo ID: 1343253 Uploaded by: Orso Martinelli Upload date: 2023-12-30 View Count: 25 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

R2W-3P5 Dolomite CaMg(CO₃)₂ , Magnesite MgCO₃

Brumado, Bahia, Brazil

Dimensions: 69 mm x 56 mm x 7 mm
Largest Crystal Size: 69 mm

This large flat pinkish crystal, quite specific of this location, has the characteristic of having included a small colorless rhombohedral magnesite crystal of 9 mm on edge.

Photo ID: 1329091 Uploaded by: Orso Martinelli Upload date: 2023-10-22 View Count: 15 Status: Public galleries Type: Photo - 772×739 (0.6 Mpix)

XQ8-Y6E Cumengeite Pb₂₁Cu₂₀Cl₄₂(OH)₄₀·6H₂O

Boleo District, Santa Rosalía, Mulegé Municipality, Baja California Sur, Mexico

Dimensions: 11 mm x 11 mm x 10 mm
Largest Crystal Size: 11 mm

Usual epitaxy on boleite. Subsequent growth of small pseudo-cubic crystals between the cumengeite crystals appears to consist of boleite rather than pseudo-boleite.

Photo ID: 1327758 Uploaded by: Orso Martinelli Upload date: 2023-10-17 View Count: 20 Status: Public galleries Type: Photo - 4958×4912 (24.4 Mpix)

8Q8-GFT Magnesiotaaffeite-2N’2S Mg₃Al₈BeO₁₆

Ohngaing, Mogok Valley, Mogok Township, Pyin-Oo-Lwin District, Mandalay Region, Myanmar

Dimensions: 40 mm x 33 mm x 15 mm
Largest Crystal Size: 40 mm

Large pebble that reveals the growth wrinkles of the original hexagonal crystal, seen along the C axis.

Photo ID: 1266916 Uploaded by: Orso Martinelli Upload date: 2023-01-04 View Count: 72 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

YW7-4H8 Microcline (Var: Hyalophane) (K,Ba)[Al(Si,Al)Si₂O₈]

Zagradski Potok Mine, Zagradski Creek, Busovača, Central Bosnia Canton, Federation of Bosnia and Herzegovina, Bosnia and Herzegovina

Dimensions: 36 mm x 26 mm x 31 mm
Largest Crystal Size: 36 mm

Small polysynthetic crystal with twins in all directions (Baveno and Manebach) slightly colored by oxides.

Photo ID: 1256398 Uploaded by: Orso Martinelli Upload date: 2022-11-11 View Count: 29 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

8J5-G7L Grandidierite (Mg,Fe²⁺)(Al,Fe³⁺)₃(SiO₄)(BO₃)O₂

Unnamed grandidierite deposit, Tranomaro, Amboasary Sud District, Anosy, Madagascar

Dimensions: 68 mm x 42 mm x 19 mm
Largest Crystal Size: 68 mm

Large badly finished and poorly translucent crystal agglomerated with two other smaller ones.

Photo ID: 1256397 Uploaded by: Orso Martinelli Upload date: 2022-11-11 View Count: 19 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

J63-TXD Béhierite (Ta⁵⁺,Nb⁵⁺)(BO₄) , Tourmaline AD₃G₆ (T₆O₁₈)(BO₃)₃X₃Z

Manjaka, Sahatany Valley, Ibity, Antsirabe II District, Vakinankaratra, Madagascar

Dimensions: 31 mm x 26 mm x 12 mm
Field of View: 22 mm

A very large malformed crystal with two small "sidecars" and a pink tourmaline crystal. A fracture on the back of the sample allows the translucency of the behierite to be seen.

Photo ID: 1256395 Uploaded by: Orso Martinelli Upload date: 2022-11-11 View Count: 42 Status: Public galleries Type: Photo - 3636×4452 (16.2 Mpix)

3G0-HCH Augelite Al₂(PO₄)(OH)₃

Tamboras Mine, Mundo Nuevo, Huamachuco, Sánchez Carrión Province, La Libertad, Peru

Dimensions: 42 mm x 37 mm x 19 mm
Largest Crystal Size: 42 mm

Large crystal fully terminated and damage free but an attachment point on the back.

Photo ID: 1256393 Uploaded by: Orso Martinelli Upload date: 2022-11-11 View Count: 18 Status: Public galleries Type: Photo - 3786×6173 (23.4 Mpix)

JFA-RN1 Sapphirine Mg₄(Mg₃Al₉)O₄[Si₃Al₉O₃₆]

Morafeno thorianite deposit, Tranomaro, Amboasary Sud District, Anosy, Madagascar

Dimensions: 24 mm x 25 mm x 5 mm
Largest Crystal Size: 25 mm

Quite large very sharp and shiny crystal.

Photo ID: 1212357 Uploaded by: Orso Martinelli Upload date: 2022-04-22 View Count: 26 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

TDK-238 Hambergite Be₂(BO₃)(OH)

Shengus, Roundu District, Gilgit-Baltistan, Pakistan

Dimensions: 74 mm x 34 mm x 18 mm
Largest Crystal Size: 74 mm

Almost opaque thick crystal.

Photo ID: 1193388 Uploaded by: Orso Martinelli Upload date: 2022-01-24 View Count: 21 Status: Public galleries Type: Photo - 4912×7360 (36.2 Mpix)

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Orso Martinelli's Photo Gallery

X5E-2E1Londonite-Rhodizite Series

R2W-3P5Dolomite CaMg(CO3)2 , Magnesite MgCO3

XQ8-Y6ECumengeite Pb21Cu20Cl42(OH)40·6H2O

8Q8-GFTMagnesiotaaffeite-2N’2S Mg3Al8BeO16

YW7-4H8Microcline (Var: Hyalophane) (K,Ba)[Al(Si,Al)Si2O8]

8J5-G7LGrandidierite (Mg,Fe2+)(Al,Fe3+)3(SiO4)(BO3)O2

J63-TXDBéhierite (Ta5+,Nb5+)(BO4) , Tourmaline AD3G6 (T6O18)(BO3)3X3Z

3G0-HCHAugelite Al2(PO4)(OH)3

JFA-RN1Sapphirine Mg4(Mg3Al9)O4[Si3Al9O36]

TDK-238Hambergite Be2(BO3)(OH)