This is a recognized grading of the gem's luster, transparency, or "brilliance". In 2006 "glass filled rubies" received publicity. These characteristics include clarity, rarity, freedom from defects, beauty of the stone, as well as the demand for such stones. “Fine-tune.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/fine-tune. An unusually short lifespan might indicate that your Finestone ancestors lived in harsh conditions. A mnemonic device, the "four Cs" (color, cut, clarity, and carats), has been introduced[by whom?] See the full definition for fine-tune in the English Language Learners Dictionary, Thesaurus: All synonyms and antonyms for fine-tune, Nglish: Translation of fine-tune for Spanish Speakers. Find your family's average life expectancy, most common occupation, and more. Whether a gemstone is a natural stone or synthetic, the chemical, physical, and optical characteristics are the same: They are composed of the same mineral and are colored by the same trace materials, have the same hardness and density and strength, and show the same color spectrum, refractive index, and birefringence (if any). The color of any material is due to the nature of light itself. Click. Some less common occupations for Americans named Finestone were Farmer and Secretary, View Census data for Finestone | Data not to scale. The absence of coarse aggregate (crushed stone or gravel) substantially facilitates the preparation, transport, and placing of … These gems are designed to show the stone's color or surface properties as in opal and star sapphires. Other stones are classified by their color, translucency and hardness. [6], Gemstones are often treated to enhance the color or clarity of the stone. Most gemstones are hard, but some soft minerals are used in jewelry because of their luster or other physical properties that have aesthetic value. The simulants imitate the look and color of the real stone, but possess neither their chemical nor physical characteristics. There are 633 immigration records available for the last name Finestone. A ruby appears red because it absorbs all the other colors of white light, while reflecting the red. In modern times gemstones are identified by gemologists, who describe gems and their characteristics using technical terminology specific to the field of gemology. [10] With modification, these categories can be useful in understanding the grading of all gemstones.

[1][2][3] However, certain rocks (such as lapis lazuli and opal) and occasionally organic materials that are not minerals (such as amber, jet, and pearl) are also used for jewelry and are therefore often considered to be gemstones as well. Virtually all blue topaz, both the lighter and the darker blue shades such as "London" blue, has been irradiated to change the color from white to blue. Gems which are transparent are normally faceted, a method which shows the optical properties of the stone's interior to its best advantage by maximizing reflected light which is perceived by the viewer as sparkle. For the veterans among your Finestone ancestors, military collections provide insights into where and when they served, and even physical descriptions. 4 n/a 3 1x1 Common Fine Stone Sculpture: Very artistic! Turquoise is also commonly treated in a similar manner. [6][self-published source?] A gemstone (also called a gem, fine gem, jewel, precious stone, or semi-precious stone) is a piece of mineral crystal which, in cut and polished form, is used to make jewelry or other adornments. Discover the meaning of the Finestone name on Ancestry®. Material or flaws within a stone may be present as inclusions. Learn a new word every day. Daylight, often called white light, is all of the colors of the spectrum combined. The first characteristic a gemologist uses to identify a gemstone is its chemical composition. [23], Heat can either improve or spoil gemstone color or clarity. You can see how Finestone families moved over time by selecting different census years. When jewelry containing diamonds is heated (for repairs) the diamond should be protected with boric acid; otherwise the diamond (which is pure carbon) could be burned on the surface or even burned completely up. [16][failed verification], Proponents of energy medicine also value gemstones on the basis of alleged healing powers. The facets must be cut at the proper angles, which varies depending on the optical properties of the gem. [5] Another unscientific term for semi-precious gemstones used in art history and archaeology is hardstone. Cultured, synthetic, or "lab-created" gemstones are not imitations: The bulk mineral and trace coloring elements are the same in both. In 1920 there were 11 Finestone families living in New York. Many gems are crystals which are classified by their crystal system such as cubic or trigonal or monoclinic. Stones which are opaque or semi-opaque such as opal, turquoise, variscite, etc.

For example, diamonds, which have a cubic crystal system, are often found as octahedrons. The pricing on colored stones is determined by market supply-and-demand, but diamonds are more intricate. Find your family's origin in the United Kingdom, average life expectancy, most common occupation, and more. [25] A considerable portion of all sapphire and ruby is treated with a variety of heat treatments to improve both color and clarity. Most citrine is made by heating amethyst, and partial heating with a strong gradient results in “ametrine” – a stone partly amethyst and partly citrine. Gemstones may also be classified in terms of their "water". Gemstone Enhancement: History, Science and State of the Art by Kurt Nassau, Learn how and when to remove this template message, "The Gem and Jewelry Institute of Thailand (Public Organization)", "Rapaport report of ICA Gemstone Conference in Dubai", "Padparadscha Sapphires : 10 Tips On Judging The Rare Gem", "New process promises bigger, better diamond crystals", Farlang online library of gemological books, https://en.wikipedia.org/w/index.php?title=Gemstone&oldid=980380885, Short description is different from Wikidata, Articles with self-published sources from February 2020, Articles with specifically marked weasel-worded phrases from April 2020, Articles with failed verification from April 2020, Articles with unsourced statements from April 2020, Articles with unsourced statements from December 2018, Articles needing additional references from March 2010, All articles needing additional references, Articles with unsourced statements from May 2012, Wikipedia articles needing page number citations from December 2017, Creative Commons Attribution-ShareAlike License, American Gem Trade Laboratory which is part of the American Gem Trade Association (AGTA), a trade organization of jewelers and dealers of colored stones, American Gemological Laboratories (AGL), owned by Christopher P. Smith, European Gemological Laboratory (EGL), founded in 1974 by Guy Margel in Belgium, Gemmological Association of All Japan (GAAJ-ZENHOKYO), Zenhokyo, Japan, active in gemological research, The Gem and Jewelry Institute of Thailand (Public Organization) or GIT, the Thailand's national institute for gemological research and gem testing, Bangkok, Gemmology Institute of Southern Africa, Africa's premium gem laboratory, Gübelin Gem Lab, the traditional Swiss lab founded by, Institute for Gems and Gold Research of VINAGEMS (Vietnam), founded by Dr. Van Long Pham, This page was last edited on 26 September 2020, at 06:55. The faceting machine is used to hold the stone onto a flat lap for cutting and polishing the flat facets. Some treatments are used widely because the resulting gem is stable, while others are not accepted most commonly because the gem color is unstable and may revert to the original tone. Within census records, you can often find information like name of household members, ages, birthplaces, residences, and occupations. [13] Many gemstones are used in even the most expensive jewelry, depending on the brand-name of the designer, fashion trends, market supply, treatments, etc. Stone Fragment: This looks like it belongs to something great. [citation needed] On the other hand, synthetics often show flaws not seen in natural stones, such as minute particles of corroded metal from lab trays used during synthesis. These so-called impurities are sufficient to absorb certain colors and leave the other colors unaffected. Depending on the type and extent of treatment, they can affect the value of the stone. Rarity is another characteristic that lends value to a gemstone. [13], Each laboratory has its own methodology to evaluate gemstones. Aquamarine is often heated to remove yellow tones, or to change green colors into the more desirable blue, or enhance its existing blue color to a deeper blue.[24]. [21] Rarely, some cutters use special curved laps to cut and polish curved facets. A stone can be called "pink" by one lab while another lab calls it "padparadscha". [4] This distinction reflects the rarity of the respective stones in ancient times, as well as their quality: all are translucent with fine color in their purest forms, except for the colorless diamond, and very hard, with hardnesses of 8 to 10 on the Mohs scale. The part that is reflected reaches the eye as the perceived color. Diamonds are graded[by whom?] 19% of Finestone men worked as a Salesman and 34% of Finestone women worked as a Clerk. In diamonds, cut is the primary determinant of value, followed by clarity and color. Accessed 1 Oct. 2020. [8], Gemstones have no universally accepted grading system.

There are 1,000 census records available for the last name Finestone. What made you want to look up fine-tune? to be precious.

Even in the last century certain stones such as aquamarine, peridot and cat's eye (cymophane) have been popular and hence been regarded as precious. The traditional distinction does not necessarily reflect modern values, for example, while garnets are relatively inexpensive, a green garnet called tsavorite can be far more valuable than a mid-quality emerald. This was about 28% of all the recorded Finestone's in the USA.

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