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     Stamps of Minerals, Gems and Meteorites

 

 

Ecuador

 

1960 – C361

C360 - C364

 

 

 

1997 - 1441

1441-1445

 1997 - 1442

3743ecu60

 

clip_image001289 

clip_image003207 

Pyrite, Chalcopyrite

 

Quartz

SiO2

Chalcopyrite

CuFeS2

 

 

 

1997 - 1443

 

 

1997 - 1444

 

1997 - 1445

                                          

 clip_image005179

clip_image007134 

 clip_image00987

 

Gold

Au

Silicified wood

Pyrite

FeS2

 

 

England - Great Britain 

  

 

 

1977 – 809

806-809 

 

 

 

 

 285ENG77.jpg

  

 

 Mineral Structure

Halite

 

 

 

 

España

 

 

1994 – 2763a

2763 a-d

1994 – 2763b

 1994 – 2763c 

 1994 – 2763d 

clip_image001291 clip_image003208

clip_image005180 

clip_image007135

Cinnabar

HgS

Sphalerite

(Zn,Fe)S

Pyrite

FeS2

Galena

PbS

 

1995 – 2805a

2805 a-c

 

1995 – 2805c

 

 

 

 

1996 - 2843

2843-2844

clip_image00988 

clip_image01176

  

clip_image01339

Aragonite

CaCO3

Dolomite

MgCa(CO3)2

 

Fluorite

CaF2

 

 

Ethiopia

 

2003 – 1647

1647-1650

 2003 – 1648

 

2003 – 1649

 

 2003 – 1650

 1566eth03

 1567eth03

1568eth03 

1569eth03 

White Opal

SiO2·nH2O

Brown Precious Opal

SiO2·nH2O

Fire Opal

SiO2·nH2O

Yellow Precious Opal

SiO2·nH2O

 

2007 – n.c.

Y & T 1661-1664

 2007 – n.c.

 2007 – n.c.

 2007 – n.c. 

 clip_image00989

clip_image01177

clip_image01340

1714eth07

Feldspar

KAlSi3O8

Gypsum

CaSO4·2H2O

Quartz

SiO2

Rock

Ambo Sandstone 

 

 

 

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