History & Introduction
From the Italian word ‘a ventura’ the name Aventurine came, which means ‘by chance’.
Actually, Aventurine gemstone was discovered accidentally by Venetian glass workers
in the 18th century. Initially, it was called as Goldstone, which is a general synthetic
stone for aventurine as well as sunstone. Due to the coarse flecks of copper the
Goldstone is discerned from the other two minerals visually. The properties of the
aventurine gemstone is to get rid of one’s anxiety and fear and similarly green
gemstone makes the muscles and blood stronger.
The look of the Aventurine stones are shiny Alumina silicate mineral rock that comes
from the family of changing compositions. The look of Aventurine gems are soft green
semi translucent color, which carries a dull luster to it and consist of mica flecks.
Such stones are available in different colors for example orange, reddish brown,
yellow and silver. One more character of this stone is that if it is put in the
direct sunlight this will cause it to fade and lose its color, therefore the stone
is kept more in a dark area.
Aventurine control emotions and many other things. These small crystal stones are
able to reflect the light and show a huge range of colors, which is according to
the aspect of the inclusion. Aventurine is a higher graded material used in tool-making
as it possess perfect hardness and also its isotropic brittleness that allows to
get into relatively easy shape.
Recognize - Naturally the Aventurine is distinguished as well as
recognized by color and the presence of 'aventurescence'. The properties of Aventurine
stone includes luster, different existence, hardness, refractive index, conchoidal
fracture and specific gravity. Though Aventurine gemstone is confused easily with
stones like malachite and jade, still with the appearance, as they are softer as
compared to aventurine quartz. The term 'Indian jade' many times is applied incorrectly
when referring to Aventurine.
Usages - This stone is used as a minor stone for jewelry, as cabochons
or beads for the purpose of necklaces and bracelets and figurines to make fashion
jewelry. It is used as stone for ornamental purposes for carvings and bookends and
also famous as aquarium stone. The gemstone is created to figurines and making the
finest jewelry.
Availability - Aventurine quartz is available in many countries
across the globe. The main deposits are found to places like Austria, Brazil, India,
Chile, Russia and Tanzania. The green and blue-green aventurine comes from India.
Whereas the creamy white, grey and orange are sourced from Russia, Chile and Spain.
Buying Guide
Color - Aventurine is most often considered as the green kind of
quartz, however is available naturally variety of other colors, in addition to yellow,
red, brown, peach and blue. Other colors are tend to be rare as gemstones because
they do not often occur in gem-quality. The kind with hematite inclusions are typically
red-brown or gold-brown and those included with goethite will mainly come in greenish
brown shade. Muscovite mica presence are most common that results in silvery green
or blue colored sheen. Naturally aventurine stone seems to be little banded with
light and dark color zones.
Clarity and Lustre - The clarity levels of aventurine quartz arrays
from a little translucent to opaque. Specimens that are opaque are mainly the result
of over-abundant fuchsite inclusions. Aventurine quartz consist of vitreous luster
when cut and polished, however because of its rough state it shows a very grainy
in texture.
Cut and Shape - Aventurine always gets en cabochon cut. It is even
commonly cut or carved into ornamental objects giving the shape of animals or various
natural figures. It is even cut into drilled gemstone beads. Shapes and cuts are
mainly the traditional ovals, rounds, cushions and different types of fancy shapes
like pears, trillions and hearts.
Treatment - In any methods the aventurine stone is either not typically
treated or enhanced. There are imitation and artificial materials available to replicate
aventurine like the Italian glass known as goldstone is one of commonly used imitation.
Gemological Characteristics: