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5.99 Ct. Purple Amethyst from Brazil
This loose stone is available to ship now
Item ID: | K30590 |
|---|---|
Dimensions (MM): help | Length: 13.16 Width: 10.94 Height: 7.29 |
Weight: | 5.99 Ct. |
Color: help | Purple |
Color intensity: help | Intense |
Clarity: help | Very Very Slightly Included |
Shape: help | Oval |
Cut: | Mixed Brilliant Cut |
Cutting style: | Faceted |
Enhancements: help | No Enhancement |
Origin: help | Brazil |
Per carat price: help | $10 |
This specimen from The Natural Gemstone Company is a transparent, oval shaped amethyst weighing 5.99 carats and measuring 13.16 by 10.94 by 7.29 millimeters, presenting an elegant length to width ratio of approximately 1.20 and a depth percent near 60.5 percent, proportions that reflect deliberate planning to balance face up spread with color saturation. The cutting style is faceted, executed as a mixed brilliant cut, combining a brilliant facet arrangement on the crown with a tailored pavilion geometry to optimize both scintillation and color return. Clarity has been evaluated at eye level as very very slightly included, indicating only minute internal features that are inconspicuous to the unaided eye and do not interfere with the gem s optical performance. Color is described as intense purple, with even saturation across the table and well controlled tone, and the piece carries an excellent polish and precise facet junctions, confirming a high level of lapidary skill. Origin is Brazil, and there has been no enhancement to the material, offering collectors and designers a naturally colored, untreated example of amethyst.
From a gemological and cutting perspective, the mixed brilliant configuration employed on this oval amethyst is purposeful. The brilliant style crown creates a network of triangular and kite shaped facets that generate lively scintillation and dynamic light return, while the pavilion has been faceted to a controlled depth to avoid dark centers or loss of color via excessive pavilion slope. The table size has been proportioned to present a generous, vibrant face up color without overpowering the pavilion s contribution to brilliance, and the facet symmetry and polish quality produce crisp, mirror like facet planes that enhance contrast and optical crispness. Optical constants for quartz, the mineral species to which amethyst belongs, include a refractive index range around 1.544 to 1.553 and low birefringence near 0.009, characteristics that yield clear light transmission and easy predictability in how cutting angles translate to visual performance. The reported very very slightly included clarity grade indicates inclusions are minimal and generally microscopic, which, combined with the excellent polish, allows for high light return and minimal light obstruction, preserving the intense purple hue native to this Brazilian material.
Regarding durability and practical use, amethyst registers a seven on the Mohs hardness scale, a benchmark that places it firmly in the category of gems suitable for many types of jewelry while requiring sensible precautions for long term wear. In comparative terms, diamond is a ten on the Mohs scale, corundum varieties such as sapphire and ruby are nine, topaz is approximately eight, and common feldspars range from six to six and a half, so amethyst s hardness makes it substantially more resistant to everyday abrasion than softer materials but less resistant than corundum or diamond. For rings and other high contact settings, designers often recommend protective mountings such as bezels or partial bezels, or elevated prong styles that minimize lateral impacts to the girdle, to reduce the risk of chipping under sudden knocks. Thermal and chemical stability should also be considered. Although this amethyst is untreated and color stable under ordinary conditions, prolonged exposure to intense heat or direct, sustained sunlight can alter or fade some amethyst tones, and aggressive chemicals can damage polish or mounting materials. Cleaning is best accomplished with warm, soapy water and a soft brush, followed by thorough drying, while ultrasonic or steam cleaning should be approached with caution and only employed after consultation if any internal features such as fractures are present.
This 5.99 carat Brazilian amethyst from The Natural Gemstone Company is an example of purposeful lapidary design meeting fine material quality, offering intense natural color, excellent polish and symmetry, and a clarity that preserves both brilliance and transparency. It is well suited for pendants, earrings, and rings, particularly when set with protective design elements for longevity. For customers seeking detailed gemstone reports, setting recommendations tailored to lifestyle, or additional photographs under varied lighting, The Natural Gemstone Company can provide supplementary information and consultation to ensure the piece meets both aesthetic and practical requirements.

























