Mineralogical exhibition of Mátra Museum

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Mineralogical exhibition of Mátra Museum. Minerals of the Parádfürdő mineralization.

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Presentation transcript:

Mineralogical exhibition of Mátra Museum

Minerals of the Parádsasvár mineralization

Minerals of the Parádsasvár Mineralization

1. Sphalerite (ZnS)

Sphalerite – ZnS Class: sulfides Crystal system: cubic Characteristic crystal form: tetrahedral, rombdodecahedral Hardness: 3,5 – 4 Cleavage/Fracture: excellent cleavage/conchoidal fracture Colour: colourless, yellow, brown, black Streak colour: brownish light-yellow, white Glance: resinous, diamond lustre Locality: Parádsasvár, Nagylápafő

Chalcopyrite (CuFeS2) és Calcite (CaCO3) 2. Chalcopyrite (CuFeS2) és Calcite (CaCO3)

Chalcopyrite – CuFeS2 Class: sulfides Crystal system: tetragonal Characteristic crystal form: pseudotetrahedral Hardness: 3,5 – 4 Cleavage/Fracture: poor cleavage/uneven fracture Colour: greenish yellow Streak colour: greenish yellow Glance: metallic lustre Calcite – CaCO3 Class: Carbonates, Nitrates Crystal system: trigonal Characteristic crystal form: rombohedral, prismatic, tabular Hardness: 3 Cleavage/Fracture: excellent cleavage/conchoidal fracture Colour: colourless, white, grey, brown, yellow Streak colour: white Glance: glassy, pearly lustre Locality: Parádsasvár, Nagylápafő

Palygorskite [(Mg,Al)4[(Si,Al)4O10(OH)2]∙8H2O 3. Palygorskite [(Mg,Al)4[(Si,Al)4O10(OH)2]∙8H2O

Palygorskite – [(Mg,Al)4[(Si,Al)4O10(OH)2]∙8H2O Class: Carbonates, Nitrates Crystal system: trigonal Characteristic crystal form: rombohedral, prismatic, tabular Hardness: 3 Cleavage/Fracture: excellent cleavage/conchoidal fracture Colour: colourless, white, grey, brown, yellow Streak colour: white Glance: glassy, pearly lustre Locality: Parádsasvár, Nagylápafő

Calcite (CaCO3) and undetermined yellow mineral with cadmium contant 4. Calcite (CaCO3) and undetermined yellow mineral with cadmium contant

Calcite – CaCO3 and undetermined yellow mineral with cadmium contant Class: Carbonates, Nitrates Crystal system: trigonal Characteristic crystal form: rombohedral, prismatic, tabular Hardness: 3 Cleavage/Fracture: excellent cleavage/conchoidal fracture Colour: colourless, white, grey, brown, yellow Streak colour: white Glance: glassy, pearly lustre Locality: Parádsasvár, Nagylápafő

5. Smithsonite (ZnCO3)

Smithsonite – ZnCO3 Class: Carbonates, Nitrates Crystal system: trigonal Characteristic crystal form: rombohedral, botryoidal Hardness: 4,5-5 Cleavage/Fracture: excellent cleavage/conchoidal fracture Colour: yellow, green, brown, grey Streak colour: colourless, white Glance: glassy lustre Locality: Parádsasvár, Nagylápafő