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Alexandrite

Tsarstone collectors guide

alexandrite natural of photo stone

481. Icgems
HTML, 63 Kb, 2009-03-30 07:42:28
/directory/gemstone-dealers/icgems-wdd-003-00031.html
482. Eyepiece
Any lens or combination of lenses acting virtually as a magnifying lens in a microscope nearest the eye of the observer. Also called ocular, or ocular lens.
HTML, 23 Kb, 2008-07-20 13:04:14
/chapters/glossary/eyepiece.html
483. Water of crystallization
Water molecules, which have been chemically combined in certain crystals or hydrated salts, which are given off when the crystals are heated.
HTML, 23 Kb, 2008-07-20 13:07:37
/chapters/glossary/water-of-crystallization.html
484. Optical axis
A term used in crystallography to the direction of an anisotropic crystal along which there are no double reflection.
HTML, 23 Kb, 2008-07-20 13:06:05
/chapters/glossary/optical-axis.html
485. Mineralogy
The scientific study of minerals; their formation, occurrence, chemical composition, physical properties, and their classification. Oryctognosy and oryctology are obsolete terms.
HTML, 23 Kb, 2008-07-20 13:05:47
/chapters/glossary/mineralogy.html
486. How about some preview? at Alexandrite discussion forums | Alexandrite guide
How about some preview? at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-12-22 15:57:23
/discussion/post/how-about-some-preview-FRM-169-00002
487. how many colors have in alexandrite zem stone? at Alexandrite discussion forums | Alexandrite guide
how many colors have in alexandrite zem stone? at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-12-21 15:21:19
/discussion/post/how-many-colors-have-in-alexandrite-zem-stone-FRM-161-00010
488. Cymophane
The term is applied specially to a variety of chrysoberyl exhibiting a girasol or chatoyant effect, when cut en cabochon.
HTML, 23 Kb, 2008-07-20 13:03:49
/chapters/glossary/cymophane.html
489. Pricing at Alexandrite discussion forums | Alexandrite guide
Pricing at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-09-21 23:13:41
/discussion/post/-pricing-FRM-165-00002
490. Javore
Javore is an alexandrite jewellery designer.
HTML, 63 Kb, 2009-03-09 18:45:28
/directory/jewelers/javore-wdd-003-00002.html
491. Zone of crystal faces
In crystallography a characteristic feature of a serie faces of a crystal where those intersection lines with each other are all parallel.
HTML, 23 Kb, 2008-07-20 13:08:16
/chapters/glossary/zone-of-crystal-faces.html
492. Jewel
A fashioned ornament for personal adornment, which is made of noble metals mounted with natural, synthetic, or imitation gemstones.
HTML, 23 Kb, 2008-07-20 13:05:05
/chapters/glossary/jewel.html
493. Re: 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
Re: 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2011-08-26 12:32:00
/discussion/post/re-14-00-carat-alexandrite-for-sale-FRM-427-00001
494. Multicolour Gems
HTML, 63 Kb, 2009-03-06 16:25:54
/directory/gemstone-dealers/multicolour-gems-wdd-003-00001.html
495. Mark Henry
HTML, 63 Kb, 2009-03-30 13:02:23
/directory/jewelers/mark-henry-wdd-003-00042.html
496. Opaque
Impenetrable to light. A stone is opaque, when light cannot passed through a thin-section of 0.04 mm. For example pyrite, cuprite, etc.
HTML, 23 Kb, 2008-07-20 13:06:03
/chapters/glossary/opaque.html
497. Host crystal
A crystal or mineral that contains the inclusions of smaller crystals of different minerals or may be is the same as host mineral.
HTML, 23 Kb, 2008-07-20 13:04:45
/chapters/glossary/host-crystal.html
498. Contact information for Alexandrite Tsarstone Collectors Guide
Contact information of Alexandrite Tsarstone Collectors Guide publishers and authors
HTML, 24 Kb, 2008-07-18 15:00:52
/about/contact/index.html
499. Embassy Emeralds
HTML, 64 Kb, 2009-03-30 07:08:21
/directory/gemstone-dealers/embassy-emeralds-wdd-003-00029.html
500. Alexandrite doublet
A misleading term for both suitably colored synthetic sapphire and spinel, which are used to create alexandrite doublet.
HTML, 23 Kb, 2008-07-20 13:02:58
/chapters/glossary/alexandrite-doublet.html
501. Wave form of light
The pictorial graphical representation of the shape of a wave obtained by plotting the values of the periodic quantity against the time.
HTML, 23 Kb, 2008-07-20 13:07:39
/chapters/glossary/wave-form-of-light.html
502. ring for sale at Alexandrite discussion forums | Alexandrite guide
ring for sale at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-08-15 23:29:00
/discussion/post/ring-for-sale-FRM-171-00002
503. alexandrite prices at Alexandrite discussion forums | Alexandrite guide
alexandrite prices at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-10-25 13:31:55
/discussion/post/-alexandrite-prices-FRM-166-00003
504. Kelvin temperature scale
A System International (SI) unit of thermodynamic temperature scale, commences at absolute zero, equal to 1/273.16 C degree.
HTML, 23 Kb, 2008-07-20 13:05:24
/chapters/glossary/kelvin-temperature-scale.html
505. Alexandrite cat's eye
A chatoyant variety of alexandrite, with parallel inclusions. Cut en cabochon, it has a light cat's-eye effects.
HTML, 23 Kb, 2008-07-20 13:02:56
/chapters/glossary/alexandrite-cat-s-eye.html
506. Eye perfect
Undesirable term that means no internal flaws that is visible to the unaided eye of a diamond-clarity grader.
HTML, 23 Kb, 2008-07-20 13:04:12
/chapters/glossary/eye-perfect.html
507. Zone axis
A line runs through the center of a crystal, to which all faces of a given zone are parallel.
HTML, 23 Kb, 2008-07-20 13:08:13
/chapters/glossary/zone-axis.html
508. Flux-grown synthetic alexandrite
Synthetic alexandrite crystals are made by flux-fusion method by annexing Fe, and Cr manufactured in USA and Japan.
HTML, 23 Kb, 2008-07-20 13:04:25
/chapters/glossary/flux-grown-synthetic-alexandrite.html
509. Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide
Buying Alexandrite at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-08-02 15:00:00
/discussion/topic/buying-alexandrite-FRM-134
510. Ray
A narrow beam of light, which emanate from a single bright source that proceed in one direction.
HTML, 23 Kb, 2008-07-20 13:06:40
/chapters/glossary/ray.html
511. Pricing at Alexandrite discussion forums | Alexandrite guide
Pricing at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-06-24 06:26:00
/discussion/topic/pricing-FRM-360
512. Alexandrite from India at Alexandrite discussion forums | Alexandrite guide
Alexandrite from India at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-11-29 08:50:10
/discussion/post/-alexandrite-from-india-FRM-168-00004
513. Crystal structure formation
The regular, orderly, periodic or repeated arrangement of atoms, molecules, or ions in a crystal.
HTML, 23 Kb, 2008-07-20 13:03:45
/chapters/glossary/crystal-structure-formation.html
514. 14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
14.00 Carat Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2011-07-24 11:59:00
/discussion/topic/14-00-carat-alexandrite-for-sale-FRM-427
515. Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
Alexandrite for sale at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-09-19 04:32:00
/discussion/post/alexandrite-for-sale-FRM-134-00003
516. Alexandrite twinning
Commonly twinned pseudohexagonal, as trillings, cyclic twin or flowers exist in some Russian alexandrite.
HTML, 23 Kb, 2008-07-20 13:03:03
/chapters/glossary/alexandrite-twinning.html
517. value at Alexandrite discussion forums | Alexandrite guide
value at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2011-06-21 07:10:39
/discussion/topic/value-FRM-426
518. Inamori synthetic pulled alexandrite
A promotion term for synthetic alexandrite or alexandrite cat's-eye made by Kyocera company, Japan.
HTML, 23 Kb, 2008-07-20 13:04:52
/chapters/glossary/inamori-synthetic-pulled-alexandrite.html
519. Jewel enamel
An enamel made of special porcelain used in jewelry as insignia and art objects.
HTML, 23 Kb, 2008-07-20 13:05:07
/chapters/glossary/jewel-enamel.html
520. Are there any ways to improve alexandrite colors by treatment? at Alexandrite discussion forums | Alexandrite guide
Are there any ways to improve alexandrite colors by treatment? at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-10-12 21:55:53
/discussion/post/are-there-any-ways-to-improve-alexandrite-colors-by-treatment-FRM-161-00002
521. American Gem Society
A non-profit professional organization of jewelers funded by Robert Shipley in 1934.
HTML, 23 Kb, 2008-07-20 13:03:11
/chapters/glossary/american-gem-society.html
522. Alexandrite inclusions
Needles of actinolite and goethite, mica, apatite, quartz, displaying two or three phases of inclusions.
HTML, 23 Kb, 2008-07-20 13:03:02
/chapters/glossary/alexandrite-inclusions.html
523. Re: Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide
Re: Natural Alexandrite Ring for sale at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2007-08-15 17:19:46
/discussion/post/re-natural-alexandrite-ring-for-sale-FRM-171-00001
524. Alexandrine
A misleading term for synthetic alexandrite-like sapphire, which changes color. Also called synthetic alexandrite.
HTML, 23 Kb, 2008-07-20 13:02:52
/chapters/glossary/alexandrine.html
525. Natural Alexandrite Oval 3.06 cts at Alexandrite discussion forums | Alexandrite guide
Natural Alexandrite Oval 3.06 cts at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2016-08-04 04:47:35
/discussion/topic/natural-alexandrite-oval-3-06-cts-FRM-460
526. Zone
A group of crystal faced intersection, which are parallel to a common line.
HTML, 23 Kb, 2008-07-20 13:08:12
/chapters/glossary/zone.html
527. Chemical composition
The weight of elements or component parts, in percentage in a rock.
HTML, 23 Kb, 2008-07-20 13:03:32
/chapters/glossary/chemical-composition.html
528. Natural
A mineral or substance, which occurs in nature; opposite of synthetic or man-made.
HTML, 23 Kb, 2008-07-20 13:05:53
/chapters/glossary/natural.html
529. Y-axis
One of the 3 optic axes and intermediate axis in biaxial crystal.
HTML, 23 Kb, 2008-07-20 13:07:59
/chapters/glossary/y-axis.html
530. Brazilian cat's eye
Chrysoberyl cat's eye from various gem-bearing districts of Minas-Gerais, Brazil.
HTML, 23 Kb, 2008-07-20 13:03:22
/chapters/glossary/brazilian-cat-s-eye.html
531. Oxide
A binary composition of oxygen with metals or other elements.
HTML, 23 Kb, 2008-07-20 13:06:11
/chapters/glossary/oxide.html
532. Alexandrite-like synthetics
Suitably-colored, synthetic sapphire and spinel, used to imitate alexandrite.
HTML, 23 Kb, 2008-07-20 13:03:05
/chapters/glossary/alexandrite-like-synthetics.html
533. Kashmir
Beautiful sapphire and rubies occur in various parts of Kashmir, Pakistan.
HTML, 23 Kb, 2008-07-20 13:05:22
/chapters/glossary/kashmir.html
534. Oriental chrysoberyl
A misleading term for yellowish-green variety of sapphire.
HTML, 23 Kb, 2008-07-20 13:06:07
/chapters/glossary/oriental-chrysoberyl.html
535. Electronic colorimeter
An instrument to measure the color of brilliants.
HTML, 23 Kb, 2008-07-20 13:04:10
/chapters/glossary/electronic-colorimeter.html
536. Alexandrite garnet
A misleading term for a garnet, which display color change.
HTML, 23 Kb, 2008-07-20 13:03:00
/chapters/glossary/alexandrite-garnet.html
537. re: advice at Alexandrite discussion forums | Alexandrite guide
re: advice at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2010-11-30 17:37:20
/discussion/topic/re-advice-FRM-383
538. Needlelike (silk)
Acicular a needle form of inclusions in gemstones.
HTML, 23 Kb, 2008-07-20 13:05:56
/chapters/glossary/needlelike-silk.html
539. Mica schist
Schist consisting largely of micas and quartz.
HTML, 23 Kb, 2008-07-20 13:05:44
/chapters/glossary/mica-schist.html
540. Blue Alexandrite
A misleading term for alexandrite-like sapphire.
HTML, 23 Kb, 2008-07-20 13:03:20
/chapters/glossary/blue-alexandrite.html
541. Alexandite Questions and Answers at Alexandrite discussion forums | Alexandrite guide
Alexandite Questions and Answers at Alexandrite discussion forums | Alexandrite guide
HTML, 25 Kb, 2006-09-14 00:19:10
/discussion/topic/alexandite-questions-and-answers-FRM-161
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