{"title":"Rough Prehnite – Decorative \u0026 Collector Pieces","description":"\u003cdiv class=\"wDYxhc\" data-md=\"61\" lang=\"nl-BE\"\u003e\n\u003cdiv class=\"LGOjhe\" data-attrid=\"wa:\/description\" aria-level=\"3\" role=\"heading\" data-hveid=\"CBwQAA\"\u003e\n\u003cdiv class=\"wDYxhc\" data-md=\"61\" lang=\"nl-BE\"\u003e\n\u003cdiv class=\"LGOjhe\" data-attrid=\"wa:\/description\" aria-level=\"3\" role=\"heading\" data-hveid=\"CBgQAA\"\u003e\u003cstrong\u003eDiscover the natural beauty of rough prehnite.\u003c\/strong\u003e\u003c\/div\u003e\n\u003cdiv class=\"LGOjhe\" data-attrid=\"wa:\/description\" aria-level=\"3\" role=\"heading\" data-hveid=\"CBgQAA\"\u003e\n\u003cbr data-start=\"404\" data-end=\"407\"\u003eWith its soft green tones and organic formations, prehnite offers a calm and natural appearance. Each piece is unique, making it ideal for decorative use and collecting.\u003c\/div\u003e\n\u003cdiv class=\"LGOjhe\" data-attrid=\"wa:\/description\" aria-level=\"3\" role=\"heading\" data-hveid=\"CBgQAA\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"LGOjhe\" data-attrid=\"wa:\/description\" aria-level=\"3\" role=\"heading\" data-hveid=\"CBgQAA\"\u003e\n\u003cp data-start=\"2201\" data-end=\"2256\"\u003e\u003cstrong\u003eA natural stone defined by softness and organic beauty.\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","products":[{"product_id":"natural-prehnite-rough-collectible-or-decorative-4-9x4-1-cm-aka-karoo-stone","title":"Natural Prehnite - Rough - collectible or decorative - 4.9x4.1 cm - AKA Karoo Stone","description":"\u003cp\u003eNatural Prehnite - Rough - collectible or decorative - 4.9x4.1 cm - AKA Karoo Stone\u003cspan class=\"BxUVEf ILfuVd\" lang=\"en\"\u003e\u003cspan class=\"hgKElc\"\u003e\u003c\/span\u003e\u003c\/span\u003e\u003cspan\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cdiv class=\"wDYxhc\" data-md=\"61\" lang=\"nl-BE\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-242\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 49.3 x 40.1 x 23.9 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-242\" target=\"_blank\" title=\"online certificate natural rough prehnite\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56517360189764,"sku":"RO-PREH026GR-003-242","price":11.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260314_154812.jpg?v=1773501063"},{"product_id":"natural-prehnite-rough-lapidary-collectible-or-decorative-5-6x4-9-cm-aka-karoo-stone","title":"Natural Prehnite - Rough - lapidary, collectible or decorative - 5.6x4.9 cm - AKA Karoo Stone","description":"\u003cp\u003eNatural Prehnite - Rough - lapidary, collectible or decorative - 5.6x4.9 cm - AKA Karoo Stone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-243\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 56.5 x 49.2 x 31.3 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-243\" target=\"_blank\" title=\"online certificate of natural rough prehnite\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56517451088196,"sku":"RO-PREH026GR-003-243","price":13.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260314_161922.jpg?v=1773504020"},{"product_id":"natural-prehnite-rough-lapidary-collectible-or-decorative-6-0x4-2-cm-aka-karoo-stone","title":"Natural Prehnite - Rough - lapidary, collectible or decorative - 6.0x4.2 cm - AKA Karoo Stone","description":"\u003cp\u003eNatural Prehnite - Rough - lapidary, collectible or decorative - 6.0x4.2 cm - AKA Karoo Stone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-244\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 60.1 x 49.1 x 36.3 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-244\" target=\"_blank\" title=\"online certificate of natural prehnite, rough prehnite\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56517471502660,"sku":"RO-PREH026GR-003-244","price":13.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260314_170304.jpg?v=1773505395"},{"product_id":"natural-prehnite-rough-lapidary-collectible-or-decorative-7-3x5-0-cm-aka-grape-stone","title":"Natural Prehnite - Rough - lapidary, collectible or decorative - 7.3x5.0 cm - AKA Grape stone","description":"\u003cp\u003eNatural Prehnite - Rough - lapidary, collectible or decorative - 7.3x5.0 cm - AKA Grape stone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-246\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 73.8 x 55.0 x 36.3 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-246\" target=\"_blank\" title=\"online certificate of natural rough prehnite\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56517586813252,"sku":"RO-PREH026GR-003-246","price":15.25,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260314_181420.jpg?v=1773509146"},{"product_id":"natural-prehnite-rough-lapidary-collectible-or-decorative-8-4x6-1-cm-aka-grape-stone","title":"Natural Prehnite - Rough - lapidary, collectible or decorative - 8.4x6.1 cm - AKA Grape stone","description":"\u003cp\u003eNatural Prehnite - Rough - lapidary, collectible or decorative - 8.4x6.1 cm - AKA Grape stone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-247\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 84.4 x 61.7 x 36.6 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-247\" title=\"online certificate of naural rough prehnite\" rel=\"noopener\" target=\"_blank\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56519111967044,"sku":"RO-PREH026GR-003-247","price":16.79,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260314_183605.jpg?v=1773590239"},{"product_id":"natural-prehnite-rough-highly-decorative-6-5x6-8-cm-aka-grape-stone","title":"Natural Prehnite - Rough - highly decorative - 6.5x6.8 cm - AKA Grape stone","description":"\u003cp\u003eNatural Prehnite - Rough - highly decorative - 6.5x6.8 cm - AKA Grape stone\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCertificate : RO-PREH026GR-003-248\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eGem Type: Prehnite\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eShape: Rough\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eSize: 65.8 x 68.9 x 40.5 mm.\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eColor: clear green\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eClarity: Semi-Translucent\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eLuster: N\/A\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003e\u003cb\u003eTreatment: Unheated Untreated\u003c\/b\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp class=\"Os4qE\"\u003e\u003cspan\u003eBirefringence : 0.021-0.033\u003cbr\u003eCrystallography : Orthorhombic\u003cbr\u003eDispersion : weak\u003cbr\u003eLuster : Vitreous\u003cbr\u003eHardness : 6-6.5\u003cbr\u003eRefractive index : 1.611-1.665\u003cbr\u003eSpecific gravity : 2.80-3.00\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCOMMENTS :\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo indications of heating, no indications of any other treatment\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/naturalgemsbelgium.shop\/blogs\/info-certificates-natural-gems-belgium\/ro-preh026gr-003-248\" target=\"_blank\" title=\"online certificate of natural prehnite rough decorative crystal\" rel=\"noopener\"\u003e\u003cstrong\u003e\u003cem\u003e\u003cspan style=\"text-decoration: underline;\"\u003eFIND THE ONLINE CERTIFICATE HERE\u003c\/span\u003e\u003c\/em\u003e\u003c\/strong\u003e\u003c\/a\u003e\u003c\/p\u003e","brand":"Natural Gems Belgium","offers":[{"title":"Default Title","offer_id":56519182516548,"sku":"RO-PREH026GR-003-248","price":19.99,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/files\/20260315_170417.jpg?v=1773591499"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0779\/1827\/3860\/collections\/rough_prehnite_for_decor.png?v=1776173368","url":"https:\/\/naturalgemsbelgium.shop\/collections\/rough-prehnite-decorative-collector-pieces.oembed","provider":"Natural Gems Belgium","version":"1.0","type":"link"}