Traveling within the World
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~Phenomenal Gems~
"Fluorescence" in common parlance refers to the emission of visible light from a substance being irradiated by ultraviolet light, which the human eye cannot see. Some minerals, for example, fluoresce in the infrared, but we cannot see the emitted light. Moreover, the agent that causes a given substance to fluoresce need not be ultraviolet light-it could just as well be an electron beam, or X-rays, or even visible light of a different wavelength from that emitted. All fluorescence, however, involves the addition of energy by some means to a substance, and the reemission of part of that energy as electromagnetic radiation.
The color change phenomena is a result of the presence of trace amounts of vanadium and chromium +3 ions. These trace elements apparently effect the absorbtion bands of the mineral. When the light has a greater amount of ultraviolet(daylight), the stone will be blue or green, but when the light source is reddish (incandescent), the stone appears red, purple or raspberry.
Asterism is caused when needle-like inclusions orient themselves perpendicular to a crystal face. In sapphire and ruby, a hexagonal crystal, the star will appear 6 sided. In diopside, an orthorhombic crystal, the star appear 4 sided.
An effect seen on certain minerals which causes it to display a billowy, rounded, ghost-like reflection
with a bluish-whitish color emanating from the surface when the mineral is cut into a cabochon. It is caused by structural anomalies or build up of water in the mineral. The minerals most famous for exhibiting adularescence are Opal and Moonstone. The name is derived from Adularia,
of which Moonstone is a variety of.
Parallel needlelike inclusions of microscopic size
that reflect a streak of light as in Tiger's eye, Pietersite, & Charoite. A chatoyant stone with just a slight change in viewing angle changes it from light to dark
Tenebrescence is a remarkable property of certain minerals to temporarily change their color.
Very few minerals exhibit tenebrescence, also known as reversible photochromism, but at least two do, hackmanite, a variety of sodalite, and tugtupite.
Such behavior is exploited in synthetic materials for the manufacture of self-adjusting sunglasses, which darken on exposure to sunlight.
from The Secret Moon Garden....
http://thesecretmoongarden.ning.com/group/crystalmagickandchakras/f...
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Patchwork Merchant Mercenaries had its humble beginnings as an idea of a few artisans and craftsmen who enjoy performing with live steel fighting. As well as a patchwork quilt tent canvas. Most had prior military experience hence the name.
Patchwork Merchant Mercenaries.
Vendertainers that brought many things to a show and are know for helping out where ever they can.
As well as being a place where the older hand made items could be found made by them and enjoyed by all.
We expanded over the years to become well known at what we do. Now we represent over 100 artisans and craftsman that are well known in their venues and some just starting out. Some of their works have been premiered in TV, stage and movies on a regular basis.
Specializing in Medieval, Goth , Stage Film, BDFSM and Practitioner.
Patchwork Merchant Mercenaries a Dept of, Ask For IT was started by artists and former military veterans, and sword fighters, representing over 100 artisans, one who made his living traveling from fair to festival vending medieval wares. The majority of his customers are re-enactors, SCAdians and the like, looking to build their kit with period clothing, feast gear, adornments, etc.
Likewise, it is typical for these history-lovers to peruse the tent (aka mobile store front) and, upon finding something that pleases the eye, ask "Is this period?"
A deceitful query!! This is not a yes or no question. One must have a damn good understanding of European history (at least) from the fall of Rome to the mid-1600's to properly answer. Taking into account, also, the culture in which the querent is dressed is vitally important. You see, though it may be well within medieval period, it would be strange to see a Viking wearing a Caftan...or is it?
After a festival's time of answering weighty questions such as these, I'd sleep like a log! Only a mad man could possibly remember the place and time for each piece of kitchen ware, weaponry, cloth, and chain within a span of 1,000 years!! Surely there must be an easier way, a place where he could post all this knowledge...
Traveling Within The World is meant to be such a place. A place for all of these artists to keep in touch and directly interact with their fellow geeks and re-enactment hobbyists, their clientele.
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