Dɛn ne Synthetic Opal?

Opal yɛ ade a ɛyɛ den a ɛnyɛ nea ɛte sɛ nea ɛwɔ abɔde mu a wonim no sɛ ogya kɔla a ɛhyerɛn. Amorphous solid yɛ ade a ɛnte sɛ ahwehwɛ no, wɔanhyehyɛ no wɔ lattice nhyehyɛe a ɛyɛ daa so. Eyi ma nkitahodi ahorow bi a ɛyɛ soronko ne hann, na wotumi kyerɛkyerɛ mu ma opal nyankontɔn kɔla ahorow.

Nanso, esiane sɛ wɔakyekyɛ opal mu sɛ nea enni nsɛ nti, ɛnkyerɛ sɛ wɔahyehyɛ ne atɔm ahorow no nnidiso nnidiso. Nnuruyɛfo ahu kurukuruwa nhyehyɛe a emu da hɔ wɔ opal mu, na ɛno ama wɔasuasua no wɔ 1974. Wɔtaa to opal a wɔayɛ no din Gilson opal, na wɔde Pierre Gilson, ɔbarima a ɔyɛɛ no ​​(ne aboɔden abo afoforo dodow bi a wɔde yɛ nneɛma: akorade, emerald, lapis lazuli, ne nea ɛkeka ho) din. Sɛ worehwehwɛ obi a wobɛbɔ no sobo sɛ watua sika a ɛboro nea ɛyɛ den so wɔ ade bi a wɔayɛ ho a, ɔkwan bi so no, Pierre Gilson ne ɔbarima a worehwehwɛ no.

Mfiase no wɔyɛɛ Glison opal wɔ Switzerland, na mprempren wɔyɛ no Japan titiriw (sɛ nhwɛso no, Kyocera ne Inamori na wɔyɛe). Ɛsono no wɔ abɔde mu opal ho efisɛ ɛyɛ nea ɛkɔ so daa kɛse. Ɛwom sɛ opal a wɔayɛ no nyɛ nea wɔpɛ kɛse sen opal a wɔmfa nnuru nni dwuma wom wɔ lapidaries dodow no ara ani so de, nanso ɛnsɛ sɛ wɔde frafra opal a wɔayɛ no sɛnea wɔyɛ no, a ɛnte sɛ opal a wɔayɛ no kronkron no, wɔde aboɔden abo a wonhu wɔ opal ankasa mu ayɛ no. Wɔtaa de asɛmfua “Gilson opal” di dwuma de kyerɛ opal a wosuasua, opals a ɛnyɛ lab-abɔ nko na mmom ɛwɔ minerals a wonhu wɔ opal ankasa mu (aboɔden abo te sɛ plastic a ɛwɔ Slocum ɔbo mu, sɛ nhwɛso no).

Sɛnea Wohu Opal a Wɔayɛ no

Sɛ wuhu sɛ wowɔ opal ho gua so da bi a, ɛbɛyɛ papa sɛ fa loupe ka wo ho. Wɔ magnification a ɛkorɔn (bɛyɛ aduosia) ase no, ɛda adi pefee sɛ wobɛhu denam daa ne adum su a ɛwɔ nsusuiɛ no so sɛ opal no yɛ synthetic. Sɛ wohwɛ aniwa mpo a, sɛnea opal no te sɛ adum no da adi pefee . Ɛdenam loupe mmoa so no wubetumi ahu nea wɔfrɛ no ‘ɔkraman were’ nkɛntɛnso wɔ kɔla ahorow no mu. Saa ɔfasu a abubu yi ne “asɛm” a wɔtaa ka wɔ opal a wɔayɛ ho.

Wɔkyerɛ sɛ opals a wɔayɛ no ma kɔla a ɛyɛ ahabammono yɛ hann wɔ UV hann ase. Loupe no ka ho no, ɛbɛyɛ papa sɛ fa UV torch ka wo ho kɔ flea market (anaa baabiara a wobɛkɔ akɔfa wo opals). Sɛ ɛyɛ fluoresces a, ɛyɛ synthetic; sɛ ɛnte saa a, ɛyɛ adebɔ mu ade.

Opal a Wɔayɛ no Ahorow Titiriw Abien

Opal a wɔde ayɛ no wɔ ahorow atitiriw abien: opal fitaa ne opal tuntum. Mpɛn pii no, opal fitaa no bo yɛ den sen tuntum no, titiriw esiane sɛ fitaa no te sɛ abɔde sen tuntum no nti.

Opal foforo a onipa ayɛ Monarch opal aba gua so nnansa yi na nnipa pii susuw sɛ ɛyɛ opal foforo, nanso ɛyɛ opal a onipa ayɛ.

Monarch opal ayɛ opal a nnipa ayɛ a ɛyɛ basaa sen biara de besi nnɛ sɛ tuntum tuntum no potch line inclusions no te sɛ Andamooka ɔbo a wɔayɛ ho adwuma

Opal foforo a nnipa ayɛ ne Aurora Opal a German adwumakuw Pinfire Gems and Colloids yɛe

Saa Synthetic Opals ne Synthetic Impregnated Opals, Coarse ne Fine Crystalline Opals yi wɔ Non-Directional Play-of-Color na wohu wɔ lot opal bangles mu. Wɔtɔn Aurora black opal, Fire opal ne Crystal opals. Wɔka Aurora opal nsusuwii ahorow no ho asɛm sɛ Irregular ne non-directional swirls.

Bello opal a Sanwa adwumakuw bi a ɛwɔ Hong Kong a ɛyɛ opal a wɔayɛ ne turquoise a wɔayɛ nso yɛe.

SYNTHETIC OPAL NNURU A WƆYƐ: SiO2.nH2O + Resin

Aman pii yɛ opals efisɛ ɛyɛ aboɔden abo a ɛsom bo, enti awerɛhosɛm ne sɛ yɛbɛhwɛ kwan sɛ opals a wɔayɛ no pii bɛba line so. Sɛnea yenim no, China ne Thailand rebɔ mmɔden bere nyinaa sɛ wɔbɛyɛ nneɛma foforo ama gua yi de akyere opal adetɔfo a onsusuw ho no. Adwumayɛbea ahorow a wɔyɛ adwumaden bɔ mmɔden na wɔtɔn wɔn ade no sɛ edin a wɔde frɛ no.

Wɔde opal a wɔde ayɛ no wɔ nkratafa anaa blocks mu. Wɔde blocks yɛ bangles ne sheets yɛ papa ma inlay adwuma anaasɛ matching sets rings, pendant ne asomuade.

Kɔkɔbɔ ma wɔn a wɔde wɔn ho hyɛ mu a wɔde gye wɔn ani no, saa silica opal a nnipa ayɛ yi mu dodow no ara wɔ nneɛma koro no ara a ɛte sɛ abɔde mu opal a ebetumi de ɔhaw ahorow aba ahurututu mu a wɔfrɛ no silicosis .

Caveat emptor Adetɔfo Hwɛ yiye!

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