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Detail Slab
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Silver Paradiso

The close-up view of each stone type shows a relatively true image of the crystalline structure and the colouring. This is suitable for grained slabs to a limited extend only. In regard to the colour matching, please take an original sample of the stone from your furniture store as a basis.

Petrography

The grey stria (leucosome) consists of an almost undirected conglomerate of grey transparent quartz and white feldspar. The dark, irregular stria, however (melanosome), still has the original direction orientation and consist of a quartz/feldspar conglomerate with a lot of fine biotite -mica. 

Petrogenesis

The origin of this rock is at the beginning of its long history of geological origin probably clayey sands, compacted over time. During a later folding up of mountain ranges, very high pressure and temperature led to changing the former sediment rock to gneiss. Hereby, the now recognisable minerals and the direction-orientated structure were generated. The temperature was at times that high that parts of the rock melted already (= light stria).

Hardness Hard Stone
Structure Type Homogeneous Structure
Synonyms
Group Metamorphic rock
Petrographic Assignment Gneiss - Migmatite
Age Pre-Cambrian (over 570 million years)
Colouring Minerals Feldspar (white), quartz (grey transparent), biotite-mica (black)
Average Hardness 6 (According to Mohs’s hardness scale 1-10)
Deposit India