LEDS Alabaster Lighting
ALABASTER, A
NATURAL STONE
The identification of a
raw material with the product resulting of its manufacture, makes the
knowledge of them even more difficult; Alabaster is a good example of this.
As a raw material, it is
a crystalline material (hydrated calcium sulphate - gypsum-), with off-white color,
translucent, density 2.350 kg/m3 and a Mhos Hardness of 2,3 to 2,5.
It is found in Nature in
bulky, irregular round shapes, in different sizes and variable depths, mixed
with other materials like marls or clays which protect alabaster against
exterior agents.
The most important
alabaster reservoirs are located in Spain (along the Ebro river) as well as in
Italy in the surroundings of Pisa (the earlier Etruscan region). Extraction is
usually made in the open, using non-aggressive methods that must ensure the
integrity of the material as well as its homogeneity and its crystallinity and
natural veining.
Products obtained from
alabaster stone have had a very diverse historic evolution; Firstly, the
Egyptians and also the Greek and Chinese cultures used it to make artisan
products; Afterwards, it was used in Spain in reredos and altarpieces of
churches and monasteries, a masterpiece being the one in the Poblet Monastery.
At the beginning of this century, ART-DECO and ART-NOUVEAU designers used it
for the first time as diffuser of light to design decorative fitting., (taking
advantage of its transparency and natural graining).
In the middle of the 80īs,
the recovery of DECOīs style in interior design boosted the re-introduction
of alabaster as a material, competing with crystal and other acrylic
materials, and mainly contributing, as novelty, the fact that it was a
"natural product made by hand".
Alabaster products, due
to the natural graining that give the character of "uniqueness" to
each piece, together with the artisan elaboration and the conceputal beauty of
"exclusiveness" have finally entered with force in the Interior
Design and decorative Illumination world at the end of this century, arriving
to inspire emblematic works of universal architects as Fisher, Arribas or
Moneo among others.
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