Why are opals related to pitch
The opal is portrayed very ambiguously in its history. On the one hand it represents happiness in its purest form, on the other hand it is afflicted with a murderous curse that comes over its owner. Medicinally, it seems to have a positive effect on hormones.
In the jewelery trade, the custom has become established to show interested customers opals only in second place. On the one hand, it should otherwise prevent a purchase (dazzled by the opal), on the other hand, it is assumed that the eyes are first led a little in that direction (sharpened) in order to then experience the opalization more strongly. Just like the labradorite and the moonstone, the opal looki is also assigned to the god of the players. The opal can bring bad luck to people of greedy character, they can be blinded and lose their minds. The opal is said to be stolen, stolen and stones that have blood stuck to them have a peculiar quality. That this happens again and again with the stone. In the Italian nobility there is a thesis that opals should only be worn by mature people, otherwise they could take advantage of the youthful heat, confuse their minds and plunge into need and poverty.
In old age, however, it has an erotic effect on men and rejuvenating on women. Clairvoyance is said to be promoted by opals with large colored areas and monochrome stones. Stones with a green lightning bolt are said to rejuvenate the skin, stones with a red lightning bolt are supposed to help blood circulation in the organs better, stones with a blue lightning bolt are supposed to ward off magical attacks, stones with a yellow lightning bolt are supposed to make people reckless when they look at them. Colorful opals with large spots on a light background are supposed to shorten the labor pains pregnant women.
It can be a warner for people who work magically, if its surface becomes matt, caution is advised in the immediate vicinity. A well-irradiated Saturn in the natal chart can act as an amplifier of the positive properties of the opal. People who have a good connection to the opal here can accumulate great wealth through it. Given to a young girl, it opens the heart to the giver. Furthermore, it is said that a person who has been wronged, who gives away an opal to a person who has done him wrong, then this person who has been given the gift becomes seriously ill in the same way as he has done wrong. Edward VII of England forbade wearing opals. It was temporarily banned at court festivals in Russia.
amorphous hydrous silica
Precious opals: all jewelry - trade relevant opals.
Black opal: opalescent opal on a gray or black opal background
Harlequin Opal: Patches like opalescent in all colors on a dark background.
Matrix Opal: Opal with host rock
Milky opal: opaque white stone with and without opalizing
Fire opal: yellow to red-brown, transparent to opaque, with and without opalizing
Prasopal: grass to emerald green opaque opal
Picture Opal: Opal that can be associated with its opalised objects.
Dendrite opal: optically similar to dendrite agate, but often with dendrite flowers in the center.
Mocha Opal: Mocha-colored variety
Honey opal: honey yellow from transparent to opaque
Bluepal: Fire opal with a cloudy blue color from Brazil
Boulder Opal: Opal on a typical matrix
Hyalith: colorless, transparent with a slight blue sheen
Glass opal: colorless transparent
Chrysopal: green opaque opals
Cacholong: yellowish opaque variety
Mother-of-pearl opal: opaque, white opal with a silky, silvery sheen
Pastellopal: opaque to translucent varieties of different colors
Wood opal: silicified wood
Jelly Opal: bluish gray intrinsic color with little play of colors
Potch Opal: with isolated, minimal opalization
Christopalit: referring to the components of the opal.
Andesite Opal: Opal derived from andesite lava.
Trachyte Matrix Opal: Hyalith originating from Mexico
Star opal: with asterism
Lechososopal: colorless jelly with a very strong play of colors from Mexico
Angel skin Opal: opaque to translucent pink opal without opalizing.
Opalin: Opal ingrowths in a dark brown matrix
Iris opal: colorless to slightly brownish with a single-colored shimmer
Andean opal: different colors in an opaque, milky quality
Agate opal: one or more layers of opal between layers of agate.
Amber Opal: amber-colored, opaque to transparent opals without opalizing
Yowah Opal: from Yowah, Queensland, Australia, thin opal layers in brown Martix
Simavopal: certain varieties from Turkey
Liver Opal: dark brown, opaque qualities
Wax opal: yellow-brown with a wax sheen, opaque to translucent
Hydrophane: Opal with a low water content
Girasol: water opal shimmering transparent
Transparency: transparent to opaque
optical axes: isotropic
Absorption: as follows
Fire opal: 7000 - 6400, 5900 - 4000
not evaluated for all others
white opal white, bluish, greenish, brownish
Fire opal: greenish to brown
black opals: mostly without
Hardness: 5 - 6 1 \ ²
Fracture: smooth to shell-like, pinacoid cleavage
Line color: white
Crystals: none, amorphous
Chemistry: SiO2 nH2O
Nierige, grape-like and layered aggregates filling cavities in volcanic rocks, sedimentary in limestone and sandstone, as a petrifying agent in the fossil area. The following locations are to be mentioned: Australia, Mexico, Brazil, Peru, Turkey, USA, New Zealand
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