Labradorescence
By: Nasrina Parvin Khan
Iridescence flashes of colors, which appear on the surface of the labradorite feldspar is known as Labradorescence.
labradorescence Effect which causes dark, metallic-like color shimmers, commonly blue and green, to be displayed on a few minerals. The name is derived from Labradorite, a mineral which is the best example of this effect.
Labradorescence
Also called Schiller, it is a colorful play of light across the cleavage planes that is displayed in some Minerals.
Labradorescence: This phenomenon is a type of iridescence caused by repeated, microscopically thin layer (lamellar) twinning in Labradorite feldspar.
Labradorescence: Labradorescence is a phenomenon. It is the shimmer of color that appears to wash over a labradorite gemstone's surface. The color changes as the light source moves.
Labradorescence is caused by light interference through the thin plates resulting from repeated twinning, characteristic to the structure of labradorite.
Large slabs of low quality labradorite are used as facing material in construction building.
labradorescence (n) a Schiller-like optical effect found in labradorite.
lapis lazuli (n) a blue rock used ornamentally in ancient egypt. [buy lapis lazuli jewellery from Mochishop] ...
Labradorescence...Patchy or diffuse iridescence due to the interference of light by reflection from parallel inclusions. Example Labradorite.
Light...Radiant energy which gives the sensation of sight. Velocity is 186,285 miles per second.
While standard labradorite has a light green-gray base and moderate play of color (called labradorescence or schiller), spectrolite has a dark or black base and reflects an entire spectrum of colors.
Labradorite gets its coloring from a "labradorescence", reflected light from a multitude of small parallel, plate-like structures, with minute inclusions of ilmenite, rutile, and magnetite.
Schiller (from the German term for play of colors or glitter) is an iridescent or bronze-like luster occuring in some minerals (it is also referred to as labradorescence when it occurs in feldspars).
Labradorite (a variety of plagioclase feldspar) is a fairly abundant grayish mineral that has brilliant flashes of color (usually green, blue or red) after it is polished (called labradorescence). The crystals are transparent to translucent.
Valued for its lustrous metallic reflections (called schiller) that are said to resemble a butterfly’s wing, this iridescence is aptly called labradorescence by gemologists and appears as stunning rainbow-colored reflections when light strikes ...
It shows irridescent color (labradorescence) in lustrous metallic tints, often blue and green, though rare specimens with the complete spectrum are very valuable.
A distinct characteristic of labradorite is its iridescent play-of-color known as the schiller effect, or "labradorescence," which occurs along internal cleavage surfaces.
Labradorite is a lovely blue stone which displays a quality called labradorescence, in which a rainbow of colorful lightwaves play across cleavage planes within the stone.The stone labradorite is also sometimes known as spectrolite.
means for identifying gemstones and are responsible for all the features one immediately observes and admires including color, luster, brilliance, scintillation, and dispersion, as well as special phenomena, play of colors, labradorescence, ...
Labradorite displaying typical iridescent effect termed labradorescence
A microphotograph of a plagioclase crystal under cross polarized light. The plagioclase crystal shows a distinct banding effect called a Polysynthetic twinning.
Labradorite penetrates deep in the soul, lifts mental blockades and promotes inner wisdom and intuition so that insight concerning your own spiritual destiny may arise. The labradorescence shines like a ray of ancient sunlight - that suddenly appears ...
Labradorite can produce a colorful play of light across cleavage planes and in sliced sections called labradorescence. The usually intense colors range from the typical blues and violets through greens, yellows and oranges.
A type of translucent feldspar which displays strong iridescence when viewed from different angles, Finnish spectrolite exhibits vivid colors of bright aqua, golden yellow, peacock blue, reddish orange, greens and red. Also see labradorescence and ...
 See also: Color, Labradorite, Stone, Gemstone, Jewel
  
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