Labradorite Facet / Faceting Information - International Gem …
Essential details on Labradorite faceting which includes tips on cuts, polishes and other helpful information. Labradorite (Feldspar) Fracture: Uneven, somewhat brittle. Dispersion: .012 (Considered low, but the combination of a high polish and minute inclusions can simulate the effect of moderate dispersion). Treatments: Generally none.
Labradorite: The gem plagioclase feldspar with play-of-color! - Geology.com
Labradorite is a feldspar mineral of the plagioclase series that is most often found in mafic igneous rocks such as basalt, gabbro, and norite. It is also found in anorthosite, an igneous rock in which labradorite can be the most abundant mineral.
Labradorite, spectrolite: The gemstone Labradorite info and pictures
Labradorite is an important feldspar gemstone. It often displays a beautiful iridescent play of colors, which can move as the stone is rotated. Labradorite gemstones usually have a dark base color with metallic-looking color plays of blue, green, yellow, and red.
Olivine in Oregon Labradorite | Gems & Gemology - GIA
2016年8月12日 · This octagonal step-cut labradorite (left) was faceted with an extra-large girdle and a simple faceting pattern to showcase the olivine inclusion trapped inside (right). Photos by Kevin Schumacher. Gem-quality labradorite from Oregon is typically prized for its red, orange, and green colors, as well as the tiny exsolution platelets of copper ...
Labradorite Gem Guide and Properties Chart - Gemstones.com
This Labradorite gemstone guide lists qualities of the Labradorite gem type, including stone colors, common names, meanings, gemstone hardness and more.
How To Identify Labradorite Like a Graduate Gemologist
2023年2月23日 · If the labradorite has the schiller effect then it comes from the mines in Oregon. These pieces will display a copper tone and under direct light, you will see a metallic shimmer inside of the stone. Is it faceted? If you have a faceted piece of Labradorite then it will be a light yellow, orange, red, or green but it depends on where it was mined.
Labradorite - Gemstone Buzz
Labradorite is the plagioclase feldspar most commonly faceted as a gem. It occurs in orange, yellow, colourless and red but the gemstone that shows a play of colour, or schiller, is the most popular to be used in jewellery. Labradorite having dark …
Labradorite Gemstone Information - GemSelect
The transparent yellow Labradorite version is priced quite differently, following the guidelines of a more traditional faceted gemstone based on the 4Cs where color, clarity, cut and carat size determine the value.
Ultimate Guide To Labradorite (What it Is and Where To Find It)
2023年3月1日 · Photos from a wide variety of angles can help, but a video is a definitive proof. Videos are also much more useful in identifying fakes than photos. Watch for Fakes and Treated Stones. While labradorite isn’t an excessively expensive stone, there are …
Labradorite Gemstone: Properties, Meanings, Value & More
2022年1月17日 · Labradorite is a feldspar gemstone known for its unique, colorful iridescence called “labradorescence.” Explore the healing properties, meanings, and value of labradorite in this guide!