stone of the month may 2018

texts and images from: Natural Stones Worldwide ONLINE

information Commercial name (according to European Standard EN 12440 addendum A) for a very coarse-grained, pink quartz syenite of the Carboniferous period, with very big, pink feldspar crystals.
Essentials: quartz, microcline, biotite; secondary minerals resp. accessories: zircone, allanite, apatite, muscovite, sericite, epidote, chlorite.
Technical and physical characteristics: Bulk density: 2,63 - 2,65 kg/dm³, bending strength: 17,5 - 17,17 N/mm², compression breaking load: 62 - 63 N/mm², water absorption: 0,70 weight-%, abrasion resistance: 0,049 mm (unknown test method), frost resistant, polish constant.
Reference: Hoto Tower/Zagreb (6,000 m²).
Uses: Ornamental stone in- and outside.

This stone internationally may be nominated as a granite. For the US- and Chinese market this is correct according to ASTM C 119 resp. GB/T 17670. But in the area of application of the European Standard (EN) this stone must be nominated as quartz syenite because the EN 12440 demands a scientific terminology for the denomination of natural stones, determined with a petrografic examination according to EN 12407 and 4.2 of prEN 12670. In case of doubt please ask your supplier.

origin Spain (Porreda or Pandrendra/Orense/Galicia)
synonyms Rosa Patrizia, Rosa vel Grueso, Rosa Well, Rosawell, Roseval
suppliers Spain
"Rosavel", quarry: Granitos del Val S.L., E-32930 Ourense/Spain; email:; web:;

"Rosavel": Granitos Ibericos S.A., E-36400 Porrino (Pontevedra)/Spain; email:; web:;

"Rosavel", slabs, cut-to-size: RECSA Inroc, E-36400 Porrino (Pontevedra)/Spain; email:; web:;

"Rosavel", slabs, tiles, cut-to-size: Ingemar S.A., E-20170 Usurbil (Guipuzcoa)/Spain; email:; web:;

"Rosavel", slabs, tiles, cut-to-size: Rossittis GmbH, D-59439 Holzwickede/Germany; email:; web:;

Rosavel, sample slab

Rosavel, macro

Rosavel, macro

Rosavel, microphotograph

Rosavel, microphotograph
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