https://opalessence.net.au/ja/blogs/opal-education 2026-06-13T09:41:10+09:30 weekly https://opalessence.net.au/ja/blogs/andamooka-opal-the-art-of-treatment-or-understanding-andamooka-matrix-opal 2026-05-19T09:07:23+09:30 weekly https://opalessence.net.au/ja/blogs/opal-education/how-to-identify-genuine-australian-opal-a-buyers-guide 2026-03-11T14:15:30+10:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/genuine-australian-opals.png?v=1773200730 https://opalessence.net.au/ja/blogs/opal-education/opal-triplet-vs-doublet-vs-solid-opal-what-s-the-difference 2026-03-11T15:19:39+10:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/solid-opal-doublet-and-triplet-with-cross-section-diagrams.png?v=1773204579 https://opalessence.net.au/ja/blogs/opal-education/what-is-an-opal-belemnite-1 2026-03-12T23:31:47+10:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/N2Squidc_d07cd60a-7c2e-4395-86aa-199831b2d297.jpg?v=1773320507 https://opalessence.net.au/ja/blogs/opal-education/how-to-care-for-your-opals-a-complete-guide 2026-03-12T21:10:32+10:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/no_change4_4ec37469-7343-4163-a25d-3d8ba4760387.jpg?v=1773312032 https://opalessence.net.au/ja/blogs/opal-education/opalized-seashells 2026-05-16T11:19:14+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/IMG_5555_HEIC_73e63707-ca2e-43bd-9931-4ad9981eaa75.jpg?v=1778896154 https://opalessence.net.au/ja/blogs/opal-education/cowell-jade-south-australia 2026-05-16T11:21:25+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/2FFDA58B-EE7C-4240-99EF-0F017478F860.jpg?v=1778896285 https://opalessence.net.au/ja/blogs/opal-education/broome-mabe-pearls-western-australia 2026-05-16T11:55:36+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/Australian-mabe-pearl-earring-pendant-ring-8375-9.17-cts-2_96b2bb61-a2af-4a93-8c16-5319d098f9dd.jpg?v=1778898336 https://opalessence.net.au/ja/blogs/opal-education/lightning-ridge-black-opal-australias-rarest-gem 2026-05-19T09:29:25+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/IMG_46742_HEIC_ae003418-9b4e-45ae-be41-922cb6a9b30c.jpg?v=1779148765 https://opalessence.net.au/ja/blogs/opal-education/queensland-boulder-opal-australias-iron-hearted-gem-1 2026-05-18T22:08:44+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/N56.2.jpg?v=1779107924 https://opalessence.net.au/ja/blogs/opal-education/andamooka-opal-understanding-the-treatment-process 2026-05-19T09:44:51+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/IMG_8605_HEIC_c3ae98f6-33fc-4fbb-86fc-829e49ada3ac.jpg?v=1779149691 https://opalessence.net.au/ja/blogs/opal-education/birthstones-a-guide-to-the-worlds-most-meaningful-gems-featuring-opal 2026-05-29T18:25:33+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/all-12-birthstone-gems-collection_517828d8-aa92-47bd-a1ce-7253c6eae647.png?v=1780044933 https://opalessence.net.au/ja/blogs/opal-education/what-are-the-most-valuable-colours-in-opal-a-guide-to-opal-colour-worth 2026-06-10T15:59:02+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/Photoroom_20260610_104937_55671ba9-f30d-4581-bd6b-8a5410366a8e.jpg?v=1781072942 https://opalessence.net.au/ja/blogs/opal-education/australian-opal-vs-ethiopian-opal-whats-the-difference-and-which-should-you-choose-1 2026-06-10T16:34:19+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/australian-opal-vs-ethiopian-opal_0a1eed58-9c00-4b56-a109-ba927e4152fd.png?v=1781075059 https://opalessence.net.au/ja/blogs/opal-education/how-to-choose-rough-opal-for-cutting 2026-06-13T09:41:10+09:30 weekly https://cdn.shopify.com/s/files/1/0379/8577/9847/articles/nicole21_22_23014.jpg?v=1781309470