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Brushed black vacuolar basalt-Lava stone
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Place of Origin:
China
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Type:
Basalt -
Genre:
Natural Stone -
sCode:
STPR1435626
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Place of Origin:
China- Item No.: LB7071H
Material: Basalt (Lava Stone)
Treatment: Brushed antique surface
Color: Dark grey;with characteristic of small white disseminated crystals
Vacuole features: Coarse vacuoles;rounded to elliptical shape
Product Type: Tiles, slabs blocks or as per customers requirment
Available Size:
Thickness:
10mm\12mm\15mm\18mm\20mm\25mm\30mm\40mm\50mm;
Length x width:
60x240mm
100x300mm
150x600mm
200x400mm
305x305mm
405x405mm
300x600mm
600x600mm
Customized size acceptable
The volcanic activity in Tengchong area started in Pliocene and was active from 3.4millions
years to 10 000 year b.p. The petrographic name of the rock is described as a multi-colored
Trachyte, which has a composition close to a Basalt.
Basalt are produced in Tentchong area, where the size of the vesicles varies in successive
lava flow, from large vesicles up to 5 cm on top, to medium and small vesicles in the middle
and none-vesicular massive basalt at the bottom.
The three different basalt types extracted in Tentchong area are commercialized and are
valuable for the international market, but the Italian Basaltina type,Dark grey and Charcoal
are the most popular at this time.
The color of the upper flow of large vesicular basalt is dark grey and charcoal black, while the
middle and lower flows are grey or light grey, very similar to the Italian Basaltina. Only in few
quarry area, the brown to red volcanic rock can be found.
The vacuole size and shape vary also in the different layers, from fine to medium and coarse
vacuoles, of rounded to elliptical shape. The linear fine vacuolar basalt with feldspar dissemination,
close to the Basaltina type, is common.
The rock type is a vacuolar grey,dark grey to charcoal black basalt with characteristic small white
disseminated crystals (named feldspar).
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