Color-Change Sapphire Gem: Nneɛma, Nkyerɛase, Botae & Nea Ɛkeka Ho

Safir a ɛsakra kɔla yɛ aboɔden abo a ɛwɔ corundum abusua no mu a ɛda kɔla ahorow adi wɔ kanea ahorow ase. Nanso so safir a ɛsakra kɔla yɛ nokware? Nea ɛyɛ ahodwiriw no, yiw! (Ɛwom sɛ, wobetumi nso abɔ wɔn wɔ synthetically).

Safir tumi da nneɛma pii a efi abɔde mu adi a nea ɛka ho ne asterism (nsoromma safir), chatoyancy (ɔkraman aniwa safir), kɔla abien, ne nokwarem no, kɔla-sesa.

Safir a ɛsakra kɔla ho yɛ na dɛn? Wɔn ho yɛ na yiye, ɛwom sɛ ɛnyɛ safir a wɔn ho yɛ na sen biara de (saa nidi no kɔ atoko nhwiren bruu ne Padparadscha safir so). Nanso, safir a ɛsakra kɔla som bo yiye!

Wo ho pere wo sɛ wubehu pii afa safir a ɛsakra kɔla ho? Bata ho bere a yɛrehu aboɔden abo yi kɔla ahorow, agyapade, ne bo, ne nea ɛkeka ho pii no!

Ɛfa Safir Abo a Ɛsakra Kɔla Ho

Safir a ɛsakra kɔla yɛ aboɔden abo a ɛsom bo a ɛyɛ nwonwa a ɛwɔ kɔla ahorow wɔ hann ahorow te sɛ awia hann ne hann a ɛyɛ hyew ase.

Dɛn na wɔfrɛ safire a ɛsakra kɔla no? Ebinom frɛ safir a ɛte sɛ alexandrite (kɔkɔɔ kɔ ahabammono) a ɛsakra kɔla sɛ “alexandrium.” Nsonsonoe titiriw a ɛda safir a ɛsakra kɔla ne alexandrite ntam ne wɔn su ne nea ɛntaa nsi: alexandrite yɛ chrysoberyl ahorow na ɛho yɛ na kɛse.

Sɛnea ɛte no, wubetumi de safir a ɛsakra kɔla adi dwuma sɛ June awo abo a ne bo nyɛ den a wode besi alexandrite ananmu. Nokwarem no, safir yɛSeptember awobo dedaw , ne ayeforohyia afe a ɛto so 5, 45, ne 75 abohene nso.

Wubetumi mpo ama atetesɛm no ayɛ nnɛyi twitwa denam safir ayeforohyia mpɛtea a ɛsakra kɔla so — ne nyinaa akyi no, na safir yɛ aboɔden abo a wɔpaw ansa na diamond rebɛyɛ gyinapɛn ma ayeforohyia nkaa.

Kɔla-Sesa Sapphire Nkyerɛkyerɛmu & Su ahorow

Sɛ́ corundum ahorow no, safire a ɛsakra kɔla ne Al2O3. Ɛkame ayɛ sɛ biribiara ka ɔbo no nnyinaso kɔla ahorow ho gye kɔkɔɔ, a ɛyɛ ruby ​​.

Corundum kɔla nyinaa fi efĩ mu, nanso aboɔden abo ho animdefo susuw sɛ tumi ankasa a ɛsakra kɔla no taa fi efĩ bi mu, titiriw vanadium ne chromium.

Kɔla ahorow a edi kan no pue wɔ awia hann, fluorescent hann, anaa LED hann a awia hann kari pɛ mu. Kɔla afoforo no pue wɔ hann a ɛyɛ hyew, tungsten hann, anaa kyɛnere hann mu. Wɔde akanea a wɔde nsa ayɛ pii di dwuma nnɛ, nanso ɛsɛ sɛ wohu kɔla a edi kan no wɔ owia hann ase.

Kɔla a ɛsakra no nso yɛ soronko wɔ pleochroism ho . Pleochroism gyina akwan a wɔfa so hwɛ ade so (ɛnyɛ kanea ko), na safir a ɛsakra kɔla nso taa yɛ pleochroic.

Nsonsonoe foforo a ɛho hia ne kɔla-sesa vs bi-color sapphires .

Safir a ɛwɔ kɔla abien (anaasɛ kɔla fã bi) te sɛ peacock ne mermaid sapphires wɔ kɔla abien bere koro mu, na ɛte sɛ watermelon tourmaline . Wɔfrɛ eyi “color-zoning,” baabi a kɔla nkyekyɛ mu pɛpɛɛpɛ efisɛ nneɛma a ɛde kɔla ba no sesa bere a ahwehwɛ no reyɛ no.

Safir su ahorow a ɛsakra kɔla a wɔabobɔ din:

• Mohs a ɛyɛ den : 9

• Kɔla : Awia hann/Fluorescent: Mpɛn pii no ɛyɛ bruu kosi violet; ɛntaa nyɛ ahabammono anaa kɔkɔɔ; Incandescent: Mpɛn pii no, ɛyɛ kɔkɔɔ, pink, anaa kɔkɔɔ-akutu; Ɛntaa nyɛ kɔkɔɔ, kɔkɔɔ-biribiri, bruu, kɔkɔɔ-ahabammono

• Ahwehwɛ nhyehyɛe : Ahinanan (afã abiɛsa) .

• Luster : Ɛyɛ ahwehwɛ, subadamantine, anaa adamantine

• Transparency : Ɛyɛ nea ɛda adi pefee kosi nea ɛnyɛ nea ɛda adi pefee

• Nneɛma a ɛma hann yɛ hyew : 1.757-1.779

• Nnipa dodow : 3.99-4.10

• Cleavage : Biara nni hɔ

• Akisikuru : Conchoidal

• Streak : Ɛyɛ fitaa

• Luminescence : Fluorescence taa ba - Abɔde mu kɔla a ɛyɛ fɛ: kɔkɔɔ wɔ LW-UV & kɔkɔɔ kosi borɔdɔma wɔ SW-UV; Abɔde mu bruu: kɔkɔɔ a ɛyɛ mmerɛw a ɛyɛ mmerɛw wɔ SW-UV mu; Synthetic (kɔla nyinaa): borɔdɔma kosi kɔkɔɔ wɔ LW-UV & SW-UV anaa kɔkɔɔ wɔ LW-UV & mottled blue wɔ SW-UV mu; X-ray kɔla ahorow wɔ nhwɛsode ahorow bi mu - dull red anaa yellow orange

• Pleochroism : Mprempren ne nea ɛyɛ den, ɛsono sɛnea safir kɔla te (hwɛ safir kɔla ankorankoro akwankyerɛ ahorow ma nsɛm pɔtee bi)

• Nsonsonoe abien : 0.008-0.009

• Ntrɛwmu : 0.013-0.018

• Nneɛma a ɛkɔ so wɔ aniwa so : Kɔla a ɛsakra; Wɔntaa nka asterism anaa chatoyancy ho

Safire Abakɔsɛm a Ɛsakra Kɔla

Ɛnyɛ nea ɛda adi pefee bere a safir a edi kan a ɛsakra kɔla no puei.

Aboɔden abo a edi kan a wɔakyerɛw ato hɔ a ɛsakra kɔla no mu biako ne alexandrite a wohuu wɔ Russia wɔ 1830 mfe no mu no. Ɛde gyinapɛn sii hɔ ma daakye aboɔden abo a ɛsakra kɔla, a ɛtɔ mmere bi a wɔka sɛ ɛda “aleksandrite tumi” adi.

Nokwarem no, wɔyɛɛ safir a edi kan a wɔayɛ a ɛsakra kɔla no sɛnea ɛbɛyɛ a wobesuasua alexandrite. Ná eyinom agye din wɔ 1900 mfe no mfiase mu hɔ.

Nanso, ayɛsɛm mu nhwɛso biako di eyinom anim: asɛmti Le Saphire Merveilleux, Franse kasa mu asɛmfua a ɛkyerɛ “Anwonwade Safir.”

Franseni kyerɛwfo Madame de Genlis kyerɛw saa asɛm yi wɔ 1800 mfe no mu faa safir bi a ɛsakraa ne kɔla de kyerɛ sɛ ebia obi abɔ awaresɛe ho, ɛwom sɛ sɛ ɔpaw sɛ ɔbɛhyɛ safir no awia anaa anadwo a, ebetumi asɛe atemmu no de.

Sɛnea August 1919 The Jewelers’ Circular kyerɛ no, wɔde safir ankasa bi a ɛsakra kɔla a wɔde kyerɛe wɔ South Kensington Tete Nneɛma Akorae wɔ Polandni ɔdehye Count de Walicki nneɛma a wɔaboaboa ano mu na ɛyɛɛ ayɛsɛm mu ɔbo no.

Safire a Ɛsakra Kɔla a Ɛma Ayaresa

Safire a ɛsakra kɔla no ntease da ne su adi sɛ ɔbo a ɛsa yare : ɔbo no betumi ayɛ kari pɛ, nsakrae, ne nyansa ho sɛnkyerɛnne na ama ayɛ mmerɛw. Nea ɛka ho no, safir a ɛsakra kɔla betumi ayɛ chakra abo a etu mpɔn ama chakra biara.

Wɔkyerɛ nso sɛ ahwehwɛ no yi dadwen, ahoɔyaw, ne abatade a ɛmfata fi hɔ.

Kɔla-Sesa Sapphire Aboɔden abo Su ahorow

So safir a ɛsakra kɔla som bo? Egyina wɔn su so.

Sɛ wɔreyɛ grading kɔla-sesa sapphire bo a, gyinapɛn su te sɛ kɔla, twa, pefee, ne carat mu duru ho hia, nanso ahoɔden a kɔla-sesa nso ho hia — nokwarem no, kɔla-sesa ahoɔden ne top value factor.

Ahosuo

Safir dodow no ara a ɛsakra kɔla dan fi bruu anaa violet so wɔ awia hann mu kɔ violet, pink, anaa kɔkɔɔ-akuturuku wɔ hann a ɛyɛ hyew mu, na dodow no ara fi bruu kɔ kɔkɔɔ.

Nsakrae a ɛntaa nsi no bi ne:

• Kɔkɔɔ kosi bruu

• Adifudepɛ kosi kɔkɔɔ-biribiri

• Ɛyɛ ahabammono kosi kɔkɔɔ-ahabammono

• Grayish- anaa ahabammono-blue kosi bruu-kɔkɔɔ

Ade biako a ɛyɛ anigye a Gemological Institute of America (GIA) hui ne sɛ safir ahorow bi a ɛyɛ borɔdɔma, kɔkɔɔ, anaa pink dan kɔɔ kɔla a ɛyɛ borɔdɔma anaa Padparadscha a ɛho tew so bere a wɔresɔ kɔla ahorow a ɛyɛ den ahwɛ (nnɔnhwerew kakraa bi wɔ hann a ano yɛ den a ɛyɛ hyew ase).

Nsakrae a eye sen biara ne fi kɔla a ɛyɛ hyew so kɔ kɔla a ɛyɛ nwini so, a ɛde yɛn ba yɛn ade a edi hɔ no so...

Ahoɔden a ɛwɔ Kɔla-Nsakrae mu: Ɔha biara mu nkyem & Degree

Ade a ɛho hia sen biara a ɛsom bo ma saa aboɔden abo yi (a kɔla di akyi) ne ahoɔden a ɛwɔ wɔn kɔla-sesa mu, a wɔakyekyɛ mu ɔha biara mu nkyem ne dodow a kɔla-sesa no.

• Ɔha biara mu nkyem : Ɔbo no fã dodow a ɛsakra kɔla (sɛ wɔhwɛ no anim kɔ soro).

• Degree : Hwɛ sɛnea nsonsonoe a ɛwɔ kɔla ahorow mu no yɛ nwonwa, sɛnea ɛbɛyɛ yiye no, kɔla ahorow a ɛboa.

Sɛ nhwɛso no, bruu kɔ violet anaa kɔkɔɔ kɔ purple nyɛ nwonwa te sɛ nsakrae a ɛba fi ahabammono so kɔ kɔkɔɔ anaa violet so kɔ borɔdɔma so no. Saturation a ɛkorɔn nso ma bo a ɛsom no yɛ kɛse.

Ɔha biara mu nkyem 100 no betumi ada ɔbo no bo adi, efisɛ safir a ne kɔla sesa ɔha biara mu nkyem 40 (a ennu ne kɛse fã kakra) no bo bɛyɛ ɔha biara mu nkyem 40 te sɛ ɔbo a ɛne no sɛ a ne kɔla sesa ɔha biara mu nkyem 100.

Wɔtaa da sɛnea kɔla sesa no adi sɛ ɛyɛ mmerɛw, ɛyɛ mmerɛw, anaa ɛyɛ den.

Twa

Mpɛn pii no, safir a ɛsakra kɔla wɔ afã horow . Nneɛma akɛse a wɔahyɛ da ayɛ ne nea wɔatwitwa no pɛpɛɛpɛ no ntaa mma saa, nanso nsusuwii ahorow a ebetumi aba no ne safir a wɔde yɛ daa no di nsɛ. Nea ɛtaa ba ne nsusuwii a ɛyɛ oval, cushion, pear, ne trillion.

Wobetumi atwitwa abo no nso ayɛ no cabochons , titiriw safir a ɛntaa nsi koraa a ɛsakra kɔla na ɛyɛ asteriated anaa chatoyant no.

Ɛda adi pefee

Safir a ɛsakra kɔla wɔ Type II pefeeyɛ , enti wɔhwɛ kwan sɛ wɔde nneɛma nketenkete a wotumi hu bɛka ho.

Nneɛma a ebetumi aka safir a ɛsakra kɔla ho no bi ne:

• Rutile (nnade, nneɛma nketenkete, mogya nkwammoaa, agyan) .

• Mununkum fitaa a ɛyɛ nneɛma nketenkete a wɔayɛ no sɛnea wɔaboaboa ano

• Zircon ahwehwɛ a wɔde yɛ nneɛma

• Boehmite ntini anaa nnade

• Nsateaa nkyerɛwee, ɛtɔ mmere bi a ɛdannan & iridescent

• Nneɛma a wɔde ka ho a ɛwɔ afã abien

• Kɔla-zoning, ɛtɔ mmere bi a wɔ hexagonal nyin nhyehyɛe mu

Clarity nyɛ ade titiriw wɔ ha, efisɛ aniwa-hotew nhwɛsode yɛ super rare.

Carat Mu duru

Safir dodow no ara a ɛsakra kɔla yɛ nketewa (wɔn 2 cts ase). Mpɛn pii no, ahoɔden a ɛwɔ kɔla a ɛsakra no so tew wɔ akɛse mu, enti ɔbo kɛse a kɔla sesa denneennen no som bo kɛse. Carat biara bo betumi akɔ soro aboro carat 1.

Ayaresa & Nneɛma a Wɔde Yɛ Nneɛma

Ayaresa ntaa mma safir a ɛsakra kɔla, nanso ebinom yɛ nea wɔde abubu ahyɛ mu ma anaasɛ wɔde diffusion ayɛ .

Mpɛn pii no, wubehu safir a wɔayɛ a ɛsakra kɔla, a wɔtaa de Verneuil (ogyaframa a wɔde frafra) kwan no na ɛyɛe.

Wobɛyɛ dɛn ahu sɛ safir a ɛsakra kɔla yɛ nea ɛwɔ hɔ ankasa (abɔde mu de) anaasɛ nea wɔde ayɛ?

1. Wɔ spectroscope , ase no, safir a wɔayɛ a ɛsakra kɔla kyerɛ sɛnea ɛtwetwe ade wɔ 4740.

2. Ɛtɔ mmere bi a safir a wɔde ogyaframa ayɛ a wɔde kɔla sesa no wɔ nsensanee a ɛyɛ kurukuruwa ne mframa a ɛyɛ kurukuruwa wɔ mu.

3. Mpɛn pii no, safir a wɔde ogyaframa ayɛ no hyerɛn kɔkɔɔ wɔ kanea tuntum bi ase.

4. Mpɛn pii no, safir a wɔayɛ a ɛsakra kɔla no wɔ kɔla ahorow a “ho tew” kɛse na ɛte sɛ nea mfomso biara nni ho.

Nanso, ɔkwan bɛn so na safir a ɛsakra abɔde mu kɔla yɛ?

Kɔla-Sesa Sapphire Formation & Fibea

Safir a ɛsakra kɔla no yɛ te sɛ safir afoforo a ɛwɔ ogya anaa abotan a ɛsakra mu no ara pɛ.

Nsonsonoe a ɛwɔ mu ara ne sɛ ɛsɛ sɛ efĩ bi te sɛ chromium ne vanadium wɔ hɔ na awiei koraa no ɛde kɔla asesa.

Mmeae a Wɔtu Tuo

Safire a ɛsakra kɔla fibea titiriw ne Tanzania. Nneɛma atitiriw afoforo a wonya fi mu ne:

• Sri Lanka na ɛwɔ hɔ

• Kenya

• Madagascar

Nneɛma nketenkete a wonya fi mu no bi ne:

• Australia

• China

• Cambodia na ɛwɔ hɔ

• Nigeria

• Thailand

• U.S.A. (Montana) .

Afei, safir a ɛsakra kɔla bo yɛ dɛn?

Kɔla-Sesa Sapphire Bo & Bo

Faceted color-change sapphire bo a ɛwɔ carat biara mu no trɛw, a egyina wɔn su ne wɔn kɛse so. Safir a ɛsakra kɔla carat biako yɛ ahe? Momma yɛnhwɛ sɛnea wɔpaapae mu wɔ ɔkwan a ɛkɔ akyiri so:

• 0.5 kosi 1 carat : Bɛyɛ dɔla 100 kosi 3,000 wɔ carat biara mu

• Carat 1 kosi 7 : Bɛyɛ dɔla 300 kosi 5,000 wɔ carat biara mu

Nneɛma pii a wobetumi apaw a ɛyɛ bruu kosi violet no bɛyɛ dɔla 100 wɔ carat biara mu. Sɛ wopaw nneɛma a wɔde yɛ nneɛma a, ebetumi ama ne bo so atew kɛse, na ebinom yɛ nea ɛba fam te sɛ $2 wɔ carat biara mu, ne nkaa ne kɔnmuade bɛyɛ $40-$80.

Nsoromma safir cabochons a ɛsakra kɔla taa yɛ bɛyɛ dɔla 300 wɔ karat biako mu, ɛwom sɛ ebinom du bɛboro dɔla 2,000 wɔ karat biako mu de.

Kɔla-Sesa Safir Hwɛ ne Nsiesiei

Nea eye ne sɛ, aboɔden abo a wɔhwɛ so ma safir a ɛsakra kɔla no yɛ mmerɛw yiye. Wubetumi de nsu a ɛyɛ hyew a samina wom ne ntama a ɛyɛ mmerɛw a wɔde microfiber ayɛ asiesie wɔn. Hohoro ho yiye.

Ma ɔbo no ntwe ne ho mfi:

• Ɔhyew a ano yɛ den

• Ɔhyew a ɛsakra kɛse

• Hydrofluoric acid a wɔde yɛ aduru

• Pɔ

Fa sie wɔ ɔkwan soronko so fi aboɔden abo afoforo ho.

Nya Safire a Ɛne Wo Sesa!

Nsakrae yɛ nea wontumi nkwati, enti dɛn nti na wonnye ntom? Safir a ɛsakra kɔla nyɛ apontow mu anifere a ɛyɛ nwini nko, na mmom ɛyɛ nkaebɔ sɛ ne nyinaa fa kari pɛ ho. Esiane sɛ wotumi paw abɔde ne nneɛma a wɔde yɛ nneɛma ma sikasɛm nhyehyɛe biara nti, akyinnye biara nni ho sɛ wubenya bi ama wo!

Kɔtɔ safir aboɔden abo a ɛsakra kɔla nnɛ!