https://gemstonesandminerals.co.uk/blogs/gemstone-guide 2026-09-13T14:15:50+01:00 weekly https://gemstonesandminerals.co.uk/blogs/gemstone-guide/watermelon-tourmaline-the-story-behind-natures-most-colourful-crystal 2026-09-13T12:58:32+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/WatermelonTourmalines_1e0908d4-2474-4831-a2fc-75167788a4b4.png?v=1789300712 Watermelon Tourmaline: The Story Behind Nature's Most Colourful Crystal https://gemstonesandminerals.co.uk/blogs/gemstone-guide/tourmaline-101-the-gemstone-with-more-colours-than-any-other 2026-09-13T13:30:20+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/il_fullxfull.2285565619_oeup_621972d3-1453-4f19-940a-01acda414215.jpg?v=1789302620 Tourmaline 101: The Gemstone With More Colours Than Any Other https://gemstonesandminerals.co.uk/blogs/gemstone-guide/bi-colour-tourmaline-when-one-crystal-grows-two-colours 2026-09-13T14:15:04+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/bicolours.png?v=1789305304 Bi-Colour Tourmaline: When One Crystal Grows Two Colours https://gemstonesandminerals.co.uk/blogs/gemstone-guide/indicolite-the-rare-blue-tourmaline 2026-09-13T13:35:37+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/Indicolite.png?v=1789302937 Indicolite: The Rare Blue Tourmaline https://gemstonesandminerals.co.uk/blogs/gemstone-guide/tri-colour-tourmaline-three-colours-one-crystal 2026-09-13T13:34:40+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/il_fullxfull.2691860088_hqm2_65e5f884-6b30-4b19-bbce-4f17ddc30588.jpg?v=1789302880 Tri-Colour Tourmaline: Three Colours, One Crystal https://gemstonesandminerals.co.uk/blogs/gemstone-guide/rainbow-tourmaline-multi-coloured-crystals-from-afghanistan 2026-09-13T13:47:07+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/RainbowTourmaline.png?v=1789303627 Rainbow Tourmaline: Multi-Coloured Crystals from Afghanistan https://gemstonesandminerals.co.uk/blogs/gemstone-guide/rubellite-the-pink-tourmaline-that-rivals-ruby 2026-09-13T13:36:05+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/il_fullxfull.7676419929_trjp_f6d1e690-fbe9-4823-bb7b-fbefbe1125ab.jpg?v=1789302965 Rubellite: The Pink Tourmaline That Rivals Ruby https://gemstonesandminerals.co.uk/blogs/gemstone-guide/paraiba-tourmaline-what-the-name-really-means 2026-09-13T13:36:54+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/paraiba_1afe7648-7166-428f-b70c-ea44f9934e04.png?v=1789303014 Paraiba Tourmaline: What the Name Really Means https://gemstonesandminerals.co.uk/blogs/gemstone-guide/kunzite-the-pink-lilac-gem-named-after-tiffanys-gemologist-1 2026-09-13T13:41:02+01:00 weekly https://cdn.shopify.com/s/files/1/1047/3750/5623/articles/Kunzite_68658245-b6de-4611-b552-d25b82bf3f3e.png?v=1789303262 Kunzite: The Pink-Lilac Gem Named After Tiffany's Gemologist