Cinzento de Alpalhão
Granite
Cinzento de Alpalhão
Granite
Fine grained granite, dominantly biotitic with a homogenous grey colour.
Other Names
Azul de Alpalhão – Nomenclature EN 12440, Cinzento Azulado de Alpalhão, SPI, MFI
Petrographic Classification
Granite
Occurrence
Alpalhão, Nisa
Origin
Portalegre
Common Uses
Exteriors and interiors.
Available Reserves
Available
Source
Catalog ROP of LNEG (http://rop.lneg.pt/rop/FormTipo.php)
Properties
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Compression breaking load165 Mpa
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Compression breaking load after freezing test160 Mpa
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Bending strength15,7 Mpa
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Volumetric weigth2640 kg/m3
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Water absorption at N.P. conditions0,3 %
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Aparent porosity0,7 %
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Thermal linear expansion coeficient8,8 X 10 -6 perº C
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Abrasion test (Amsler-Laffon)0,3 mm
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Impact test: minimum fall height65 cm
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Note: After 25 frost-defrost cycles the test pieces did not present any modifications in colour or structure.
Companies
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Granitos de Maceira, S.A.Sintra
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MPS – Manuel Pedro de Sousa e Filhos, Lda.Alcobaça
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Alfredo Vicente Julião & Filho, Lda.Sintra
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Alves & Vinagre, Lda.Sintra
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Aurimarmore, Oficina Mecânica de Mármores e Cantarias, Lda.Palmela
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Dimpomar – Rochas Portuguesas, Lda.Vila Viçosa
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Duarte Mármores e GranitosSintra
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Eduardo Marques & Rosa, Lda.Ourém
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Eurobrás, Mármores e Granitos, Lda.Sintra
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Inovopedra – Indústria Inovadora de Rochas Ornamentais, Lda.Porto de Mós
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Jerónimo e Ramos, Lda.Cascais
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Lusorochas, Rochas Ornamentais, LdaSintra
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Moreira & Vazão, Lda.Porto de Mós
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Netostones – Raul Dias Neto, S.A.Alcanena
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Paulo Jorge dos Reis FonsecaAlcobaça
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SOCIMAR – Sociedade Industrial de Mármores, Lda.Porto de Mós
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Transgranitos – Mármores e Granitos do Alto Tâmega, Lda.Vila Pouca de Aguiar