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RM3077   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 5.5 x 5.2 x 3.5 cm.
Found in ±1997.

Classic locality


 

RM3076   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 4.8 x 4.5 x 2.3 cm.
Found in ±1997.

Classic locality


 

RM3075   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 6.7 x 5.7 x 2.5 cm.
Found in ±1997.

Classic locality


 

RM3074   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 6.4 x 4.8 x 3.7 cm.
Found in ±1997.

Classic locality


 

RM3073   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 4.2 x 3.8 x 3.2 cm.
Found in ±1997.

Classic locality


 

RM3072   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 3.8 x 3.5 x 2 cm.
Found in ±1997.

Classic locality


 

RM3071   Dadsonite, boulangerite and siderite

Sant Ponç, Barceloneta de Provença, Alpes-de-Haute-Provence, Provence-Alpes-Côte d'Azur, France

Dadsonite is a rare chloro-sulfoantimonide of lead, compositionally differing from boulangerite by this chlorine anion (1 atom of Cl for 60 atoms of S!). In the "bad-lands" area of Sant Ponç (or Saint-Pons) there are lenticular levels of siderite and calcite. The formation of this rare sulfosalt is based on the redissolution of other sulfosalts in the presence of chlorides.
The fine needles of dadsonite usually appear included in calcite, along with boulangerite. Once the calcite is removed by chemical processes, needles emerge in all their beauty. It can also be found forming radial aggregates in matrix cavities. The dadsonite from Sant Ponç can probably be considered among the best worldwide.


Size: 5.8 x 4.2 x 3.1 cm.
Found in ±1997.

Classic locality


 
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