Baroque lu'u-lu'u

An yi kayan ado na lu'u-lu'u na daruruwan shekaru. Ana ɗaukar dutsen alama ce ta daraja, dukiya da alatu. Yawancin 'yan gidan sarauta sun fi son samfuran lu'u-lu'u na musamman, kuma masu yin kayan ado kawai suna son yin aiki da lu'u-lu'u, saboda a zahiri, ba sa buƙatar sarrafa su. Kayayyakin gargajiya sune waɗanda a ciki dutsen yana da siffar zagaye ko oval. Amma mutane kaɗan sun san cewa akwai nau'ikan lu'ulu'u da yawa. Don haka ɗaya daga cikinsu ya haɗa da lu'ulu'u na baroque, wanda kuma ake kira baroque.

Wane irin ilimi ne wannan kuma waɗanne siffofi ne za ku koya a cikin wannan labarin.

Baroque lu'u-lu'u - abin da yake da shi?

Da farko kana buƙatar gano abin da kalmar "baroque" ke nufi. Fassara daga Jamusanci da Faransanci, wannan wani abu ne mai ban mamaki, ajizi kuma maras nauyi. A matsayinka na mai mulki, wannan shine babban fasalin lu'u-lu'u na baroque.

Wannan tsari ne mai yawa kuma mai wuya, wanda, kamar sauran nau'in, yana samuwa a cikin harsashi na mollusk. Amma babban abin da ke bambanta dutsen shine siffarsa. Ta yi nisa da kamala. Waɗannan lu'ulu'u ne masu sarƙaƙƙiya kuma marasa daidaituwa, waɗanda da wuya mutum zai iya samun irin su a bayyanar.

Dutsen wannan nau'in na iya zama na asali mai zuwa:

• kogi;
• na ruwa;
• al'ada.

Me ake nufi? Don fahimta, kuna buƙatar fahimtar yadda ake samar da lu'u-lu'u gabaɗaya.

Don haka, lu'u-lu'u nau'in halitta ne wanda aka "haife" a cikin mollusk. Kuma ba kome a duk inda yake zaune - a cikin ruwa mai dadi ko teku. Lokacin da harsashi ya buɗe, jikin waje daban-daban suna shiga cikin kawa. Zai iya zama ƙananan kifi, yashi, gutsuttsuran wasu harsashi, ƙaramin parasite ko ƙaramin tsakuwa. Mollusk yana ɗaukar irin wannan mamayewa a matsayin haɗari. A cikin ƙoƙari na kare kansa da tserewa daga mutuwa, ya rufe "baƙo" tare da harsashi mai kariya, wanda a nan gaba ake kira lu'u-lu'u. Har ila yau, ana gudanar da matakai daban-daban a cikin harsashi, saboda wannan "jaji" tare da jikin waje yana rufe da yadudduka na uwar lu'u-lu'u. Wannan shi ne yadda lu'u-lu'u ke samuwa. Godiya ga wannan suturar, duk rashin daidaituwa an daidaita su, rashin daidaituwa ya ɓace kuma an haifi dutse mai ban mamaki.

Amma me yasa lu'u-lu'u za su kasance a cikin irin wannan m siffar kamar baroque? Gaskiyar ita ce, babban yanayin da ake yi don ƙirƙirar saman dutse daidai ne, ba zai iya haɗuwa da bangon harsashi ba, wato, tare da bawuloli, kuma tsarin halittarsa ​​dole ne ya faru ne kawai a cikin rigar. na mollusk. Ana samun irin wannan nau'i kamar a cikin Baroque don dalilai daban-daban:

• abin da aka makala ga bango, maimakon shiga cikin rigar;
• kasancewar sauran abubuwa na waje a cikin mollusk;
• nakasar kawa saboda al'amuran halitta.

Wannan shine yadda ake samar da lu'u-lu'u na musamman. A wasu lokuta, farashinsa yana da yawa fiye da farashin ko da daidai ko da duwatsu. Farashin ƙarshe ya dogara da sharuɗɗa da yawa:

• girma
• kasancewar lahani;
• wurin hakar;
• inuwa;
• haske;
• ƙarfi

Inuwa ta baroque na iya zama fari na gargajiya ko madara, ko ruwan hoda, zinare, shuɗi, rawaya, shunayya, kore har ma da baki tare da tints iri-iri.

Ya zuwa yau, ana haƙa lu'ulu'u masu daraja mafi daraja a cikin ruwayen da ke kewaye da Tahiti. Amma wani lokacin yana ɗaukar fiye da shekara guda don masu kayan ado don ƙirƙirar kayan ado masu jituwa daga siffofi masu ban mamaki, duwatsun da suka dace ba kawai a cikin girman ba, har ma a cikin inuwa.