Sentences with word «pyrite»
Pyrite is a type of mineral that looks like gold but is actually fake gold. It is often referred to as "fool's gold" because it can fool people into thinking it is real gold. Pyrite is less valuable than gold and is commonly found in rocks and caves. Full definition
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From TV Tropes: «Magical Starsign has a town full of Pyrites with Punny names, like Nun Toobrite and Tawks Lykeahippy, that represent how they talk.»
First sulphuric acid, caused by rusting of iron pyrites in the fossils, is neutralised by ethanolamine thioglycollate, a chemical used for perming hair.
«The results were really exciting,» said Qafoku, «because this was the first time that uranium was found to be associated with naturally occurring framboidal pyrites in alluvial sediments.»
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New colors for 2014 include Pyrite Brown Metallic, Frozen Blue Metallic, as well as other «frozen» colors, which is BMW's pseudonym for matte paint.
The elemental signature of these objects differed from the standard pyrite framboid, which includes iron and sulfur.
Leather Bracelet, Womens Leather Bracelet, Pearl Leather bracelet, Pearl Bracelet, Pyrite Bracelet, Womens Leather Braclet, Freshwater Pearl, Boho
According to the artist: «The shift into these jumbled abstractions was inspired, in part, by iron pyrite crystal agglomerations.
Acid mine drainage (AMD) refers to the outflow of acidic water from coal or metal mines, often abandoned ones where ore - or coal mining activities have exposed rocks containing the sulphur - bearing mineral pyrite.
That leaves striking rocks, such as pyrite against flint, as the method Sorensen is most likely to find proof for among artifacts.
Unfortunately, many of the specimens are not only fragmentary, but are also infected by pyrite disease, which makes them extremely fragile.
It pairs a petite gold - filled skull charm with your choice of labradorite, black spinel, or pyrite beads, and it's dainty enough to dress up or down.
State perforated booties (sold out but similar here) Hat: Fiddler cap from Nordstrom Bag: Kate Spade (similar here) Bracelets: Kendra Scott beaded bracelet set in pyrite Earrings: Baublebar Icestorm Drop
It's in the air from fossil fuel combustion and in groundwater where water has come in contact with coal or pyrite seams.
There's solid evidence, in a hand - grooved nodule of pyrite from Belgium, that some humans set fires this way around 13,000 years ago.
Their work culminated in 2013 with the discovery of a series of two chambers on either side of the tunnel near the end filled with pyrite mirrors and strange crystal spheres.
However, no such studies have been done with naturally occurring pyrite.
The gorgeous wedding white acrylic box with the insanely beautiful pyrite stone on top is c / o Rox.
In a contrast of gold and crystals, these earrings mimic Pyrite in it's natural form; with cubes...
Most Pyrites driving schools tend to be lengthy and often boring for experienced drivers.
The structures were exceptionally well preserved, the eggs and exoskeletons of the trilobites replaced with an iron sulfide ore called pyrite.
In Cornwall, arsenic pollution arises from the mining and smelting of pyrite ores in the last century.
X-ray spectroscopic analyses conducted at the Advanced Photon Source at Argonne National Laboratory confirmed that framboidal pyrite uranium occurred in both oxidized and reduced forms.
~ My First Trip to Japan ~, Pyrite Heart, and Planetarian ~ The Reverie of a Little Planet ~ are also part of the sale.
Hegna said if Martin saw pyrite, also known as fools gold, in the crack, he then used an air abrasion system to go through the layers to get down to the trilobite.
FeS2 or pyrite only formed when using the weakest precursor, diallyl disulfide, and it formed directly, without requiring a FeS intermediate.
«As bacteria ate the tissues of the animals that fell to the bottom,» he says, «they deposited a mineral called iron pyrite over the animal.
So the bacteria evidently form a sort of conductive chain, comprising biological nanowires and possibly pyrite grains embedded in the mud, that allows electrons from the oxidation of hydrogen sulfide and carbon within the sediment to contribute to the reduction of oxygen by other microbes at the sediment surface.
The iron pyrite then preserved the fossil.
The mine water is toxic because it contains dissolved pyrite, or iron sulfide, better known as fool's gold.
The discovery lends support to a speculative theory that the formation of pyrite supplied energy for the first living things.
Karl Stetter of the Regensburg laboratory hopes to demonstrate a link between pyrite formation and the capture of carbon dioxide.
The research team — Qingyang Hu, Duck Young Kim, Wenge Yang, Liuxiang Yang, Yue Meng, Li Zhang, & Ho - Kwang Mao — put ordinary rust, or FeOOH, under about 900,000 times normal atmospheric pressure and at about 3200 degrees Fahrenheit and were able to synthesize a form of iron oxide, FeO2, that structurally resembles pyrite, also known as fool's gold.
The amount of trace elements in ocean pyrite correspond to ocean oxygen concentrations at different points in geologic time.
At approximately 10 microns in diameter they are closely matched in size to red blood cells and typical pyrite framboids.
The breakdown of minerals such as pyrite produces sulfate, which then flows down rivers to the oceans.
The study provides the first - ever evidence of a useful pyrite mineral formation within the sample.
On the seabed, dissolved iron (II) ions have combined with the hydrogen sulphide to form iron sulphides, for example pyrite, FeS2, which is unstable when the moist wood is exposed to oxygen: FeS2 (s) + 7 / 2O2 + (n +1) H2O → FeSO4 · n (H2O)(s) + H2SO4 (aq)
* By Robindira Unsworth * Faceted labradorite, silver moonstone, and Tahitian pearl * 22K gold vermeil clasp, antiqued sterling silver, brass * Pyrite chain * Signature handmade S - clasp * 30» L * Due to the natural elements, each piece will be unique * USA / Imported Free shipping (U.S. only) and gift packaging on all women's jewelry.
Faceted, oval pyrite in pav crystal setting.
The most expensive option is an emerald, but there are alternatives like malachite, jadeite, the deep green agate, aventurine magic, dazzling tsavorite, very similar to emerald, and soft khaki shaded pyrite.
Deborah Lippmann Polish in «Rockin» Robin»; YSL Nail Lacquer in «Bronze Pyrite»; Zoya Nail Polish in «Neely»; LCN Polish in «I Love Mint»; Butter London Nail Lacquer in «Fiver»;
Calcite and reconstituted turquoise mingle with beads of faceted pyrite.
Victorian pyrite set earrings in teardrop form with pierced ear wires.