Stones can have many aliases. This is due to language differences, supplier choice, coloquial trends or slang, or sometimes errors and ambiguity between rocks. Read more here.
|Bruno Baltico, Marron Baltico, nodular granite|
Commercial classification sometimes differs to the scientific, geological designation. In particular, some limestones are deemed marble especially if they take a high polish. Read more here.
|Age||1.2 billion years (Pre-Cambrian)|
|Colouring minerals:||brown-pink feldspar, grey -olive feldspar, black biotite, grey quartz, black-green hornblende|
MOHS is the standard scale of hardness for minerals 1-10, with 10 being the MOHS of diamond. We also use the broad terms Hard and Soft for simplicity. Read more here.
Popular granite known for its mushroom like blooms.
Petrology:Coarse, large grained granite with many oval brown and pink coloured orthoclase feldspars, which are bounded by narrow edges of grey to green oligoclase feldspars. Black biotite mica, grey quartz and black-green hornblendes are found in the spaces between.
Petrogenesis:Various magma complexes in South Scandinavia and Baltic regions pushed into the lower crust where they crystallised to coarse grained granites over millions of years.