Orthoclase sunstone is one of the aventurescent feldspar varieties. Sunstone is the official state gemstone for Oregon USA.
The feldspar which usually displays the aventurine appearance is oligoclase though the effect is sometimes seen in orthoclase.
Orthoclase sunstone. Not all feldspars that bear the name sunstone are from the same side of the feldspar familyboth the orthoclase and the plagioclase species boast a sunstone feldspar variety. Orthoclase is a rare gemstone that belongs to the feldspar group which also includes moonstone amazonite spectrolite and labradorite. Gems And Gemology Winter 220-233.
There are many sunstone varieties. Feldspar with ilmenite and hematite inclusions. Strongly glittering orange-brown oligoclase is known as Sunstone or Aventurine Feldspar.
Very hard to capture all the amazing colours. To date several members of the feldspar family have been identified that show such glittering inclusions. A typical orthoclase is a solid solution of KAlSi 3 O 8 and.
Some of the best orthoclase sunstone comes from the Harts Range area in Australia. Check out our orthoclase sunstone selection for the very best in unique or custom handmade pieces from our shops. The aventurine feldspar from India.
Orthoclase and Sunstone optical properties play a significant role while distinguishing these gemstones from each other. The name orthoclase is a Greek word meaning straight fracture which refers to the. If aventurescence is present gemologists call it aventurine feldspar.
Orthoclase was named for those in 1801 by Rene Just Haüy from the Greek word orthos meaning right in allusion to the cleavage angle. Orthoclase is a member of the Potassium Feldspars of the Feldspar Group of minerals that also includes Albite Amazonite Andesine Anorthite Bytownite Hyalophane Labradorite Moonstone Oligoclase Orthoclase Sanidine and Sunstone. Sunstone can be varieties of plagioclase oligoclase sunstone feldspar or potassium feldspar orthoclase sunstone.
The stone on the left is a 7 mm round cabochon with abundant copper platelets weighing 229 carats. Both the orthoclase and the plagioclase feldspar species boast a sunstone variety. Rainbow Lattice Sunstone Harts Range Northern Territory.
Oregon Sunstone as a faceted stone and a cabochon. The gemstone can help you cope with difficulties in life and can promote healing of your mind and spirit providing soothing and rejuvenating energy. There is a tremendous curiosity about health benefits of Orthoclase and Sunstone in the field of crystal healing.
SUNSTONESunstones phenomenal varieties show a distinct and lively glitter called aventurescenceSunstone DescriptionGem connoisseurs and innovative jewelry designers often seek the subtle beauty of lesser-knownbut still intriguing and uniquegemstones. The other related crystals from this family are the attractive labradorite moonstone sunstone and amazonite. Gunter and Charles R.
The sunstone is an aventurescent feldspar usually an oligoclase labradorite plagioclase. Essentially any form of aventurescent feldspar can be marketed as aventurine feldspar. Feldspar is associated with accepting change in life.
JOURNAL MINERALOGICAL Quartz Rock Crystal Amethyst Citrine Smoky Rose Quartz Prase and Chrysoprase Rutilated Agate Chalcedony. Oregon sunstone hosts microscopic copper inclusions Tanzanian ones have rather large hematite. Sunstones are feldspars which show a distinct glittering due to flaky highly reflective inclusions.
Other Language Names for SunstoneHide Simplified Chinese. Sunstone is a member of the feldspar group. Amongst others andesine labradorite and bytownite are the most important ones.
Orthoclase Microcline Labradorite Zicon Hyacinth Cyanite Blue Green Spinel Ruby Grahnite Zoisite Thulite Olivine Peridot Epidote Iolite Serpentine Malachite Titanite Paper read before the Southern Appalachian Mineral Society Asheville June 251932. Gunter and Charles R. The name sunstone refers to the gems appearance rather than to its chemical makeup.
Orthoclase was named orthose in 1801 by Rene Just Haüy from the Greek word orthos meaning right in allusion to the cleavage angle. The name was changed to. Some of those are members of the feldspar groupThe feldspar groups wide variety of unusual gems includes moonstone non.
Plush Dust Devil Mine. Oligoclase sunstone is more common than orthoclase sunstone. The stone on the right is a beautiful orange 7×5 mm oval faceted stone weighing 101 carats.
This material contains hematite and ilmenite platelets and shows rainbow interference colors. The aventurescence effect is caused by numerous inclusions reflecting light whose the size greatly varies depending on sunstone typeorigin. Hence two kinds of sunstone are distinguished as oligoclase sunstone and orthoclase sunstone Sunstones are believed to have metaphysical properties for crystal healing and gem therapy.
Orthoclase gemstones are typically champagne yellow golden yellow or greenish though they can be other colors. Knowles 1991 Sunstone Labradorite from the Ponderosa Mine Oregon. Knowles 1991 Sunstone Labradorite.
The sunstone is linked to good luck and good fortune. Orthoclase crystal as its name already indicates is a member of the orthoclase feldspars The most important feature of this class is that they contain K and Na in contrast to Ca and Na contained in the plagioclase. Sunstone from Oregon is gaining attention as a natural and untreated product of the United States.
In the trade this material is called rainbow lattice sunstone. Feldspar is family of gemstones that can encompass Albite Adularia Amazonite Andesine Bytownite Gaspeite Labradorite Moonstone Orthoclase and Sunstone. Orthoclase is a member of the Potassium Feldspars of the Feldspar Group of minerals that also includes Albite Amazonite Andesine Anorthite Bytownite Hyalophane Labradorite Moonstone Oligoclase Orthoclase Sanidine and Sunstone.
CaNa-feldspar and more rarely an orthoclase k-feldspar. Therefore orthoclase is sometimes also called K-spar. Other feldspar group gems include moonstone non-phenomenal orthoclase phenomenal and non-phenomenal labradorite and amazonite.