Luigi Geroli's Photo Gallery

LFU-K3UPyromorphite Pb₅(PO₄)₃Cl

Daoping Mine, Gongcheng Co., Guilin, Guangxi, China

Dimensions: 7 cm x 11 cm x 11.5 cm

Nice specimen of lucent,well formed,yellow-green pyromorphite crystals on matrix.



Finding: 2011

Overall piece size: 7.0 x 11.0 x 11.5 cm.

Luigi Geroli private collection.

JDE-RAKDolomite CaMg(CO₃)₂ , Pyrite FeS₂

Shangbao Mine, Leiyang Co., Hengyang, Hunan, China

Dimensions: 11.5 cm x 7 cm x 10 cm

Specimen of lucent,white,well defined dolomite crystals with lucent cubic pyrite.



Finding: 2012

Overall piece size: 11.5 x 7.0 x 10.0 cm.

Luigi Geroli private collection.

3NA-FQPMesolite Na₂Ca₂Si₉Al₆O₃₀·8H₂O , Stilbite Subgroup M_6-7[Al_8-9Si_27-28O₇₂]·nH₂O

Pune District, Pune Division, Maharashtra, India

Dimensions: 17 cm x 15 cm x 14.5 cm

Nice specimen with acicular,lucent,white mesolite crystals in association with stilbite.


Finding: 2010

Overall piece size: 17.0 x 15.0 x 14.5 cm.

Luigi Geroli private collection.

K9X-THGBaryte BaSO₄

Cerro Warihuyn, Miraflores, Huamalíes Province, Huánuco, Peru

Dimensions: 9.5 cm x 7 cm x 11 cm

Specimen with dark yellow,lucent,terminated baryte crystals on matrix.


Finding: 2011

Overall piece size: 9.5 x 7.0 x 11.0 cm.

Luigi Geroli private collection.

J57-PTFBiotite K(Fe²⁺/Mg)₂(Al/Fe³⁺/Mg/Ti)([Si/Al/Fe]₂Si₂O₁₀)(OH/F)₂ , Calcite CaCO₃

Biotite occurrence, Swakopmund Constituency, Erongo Region, Namibia

Dimensions: 10 cm x 7.5 cm x 13 cm

Specimen with black,hexagonal stepped biotite crystals on orange-yellow calcite matrix.

Finding: 2010

Overall piece size: 10.0 x 7.5 x 13.0 cm.

Luigi Geroli private collection.

XCY-FAWSpessartine Mn²⁺₃Al₂(SiO₄)₃

Shengus, Roundu District, Gilgit-Baltistan, Pakistan

Dimensions: 8 cm x 7 cm x 9.5 cm


Specimen with well formed, dark red, translucent spessartine garnet crystals on a matrix of white feldspar.

Finding: about 2005

Overall piece size: 8.0 x 7.0 x 9.5 cm
Diameter of the bigger spessartine crystal: 0.8 cm

Luigi Geroli private collection.

70W-T28Quartz SiO₂

Ligonchio, Reggio Emilia Province, Emilia-Romagna, Italy

Dimensions: 7.5 cm x 3.5 cm x 6 cm

Specimen of black quartz with a lucid, well-formed, bi-terminated crystal immersed in white anhydrite. This is an old specimen, today unfindable in the locality mentioned.

Finding: about 1968

Overall piece size: 7.5 x 3.5 x 6.0 cm
Size of the quartz crystal: 2.0 x 1.2 cm

Luigi Geroli private collection.

GMV-4R1Astrophyllite K₂NaFe²⁺₇Ti₂Si₈O₂₆(OH)₄F

Khibiny Massif, Murmansk Oblast, Russia

Dimensions: 10 cm x 5.5 cm x 9.5 cm

A fine specimen of radiating brown-red metallic crystals of astrophyllite on matrix.

Finding: about 1975

Overall piece size: 10.0 x 5.5 x 9.5 cm
Diameter of the bigger radiating cluster: 4.0 cm

Luigi Geroli private collection.

3GY-51THübnerite MnWO₄ , Quartz SiO₂

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

Dimensions: 25 cm x 12 cm x 7.5 cm

Very nice black,lucent,terminated hubnerite crystals and white quartz on matrix.

Finding: 2011

Overall piece size: 25.0 x 12.0 x 7.5 cm

Luigi Geroli private collection

XET-654Dravite NaMg₃Al₆(Si₆O₁₈)(BO₃)₃(OH)₃(OH)

Shangluo, Shaanxi, China

Dimensions: 14.5 cm x 7.5 cm x 5.5 cm

Dark brown, translucent, terminated single crystal of dravite on mica schist matrix.

Finding: about 2010

Overall piece size: 14.5 x 7.5 x 5.5 cm

Luigi Geroli private collection