{"product_id":"natural-black-tourmaline-rough-display507-24g-81-5-by-58-0-by-50-5mm","title":"Natural Black Tourmaline Rough Display | (507.24g | 81.5 x 58.0 x 50.5mm Dimensions | Root Chakra Master Anchor, Ultimate EMF \u0026 Negative Energy Shield, Space Purification \u0026 Mindful Feng Shui Defense Catalyst)","description":"\u003cdiv class=\"container\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_576d4d7419800051\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\"\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv dir=\"ltr\" id=\"model-response-message-contentr_576d4d7419800051\" class=\"markdown markdown-main-panel stronger enable-updated-hr-color\"\u003e\n\u003cp data-path-to-node=\"1\"\u003e\u003cb data-path-to-node=\"1\" data-index-in-node=\"0\"\u003eNatural Black Tourmaline Rough Display Specimen\u003c\/b\u003e\u003c\/p\u003e\n\u003cdiv class=\"attachment-container search-images\"\u003e\n\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\u003c!----\u003e\n\u003c\/div\u003e\n\u003cp data-path-to-node=\"2\"\u003eThis grand, high-impact display block of \u003cb data-path-to-node=\"2\" data-index-in-node=\"41\"\u003eNatural Black Tourmaline\u003c\/b\u003e (\u003ci data-path-to-node=\"2\" data-index-in-node=\"67\"\u003eSchorl\u003c\/i\u003e) weighs over half a kilogram at 507.24g and measures 81.5 x 58.0 x 50.5mm. Preserved in its raw, unpolished mineral state, this specimen showcases dense, jet-black columnar crystal growth with deep vertical striations running along its length, high vitreous luster across fresh terminations, and raw earth-matrix texture. In mineralogy and lapidary arts, a half-kilogram+ solid rough specimen of Black Tourmaline represents significant collector presence, demonstrating classic trigonal prismatic termination and the dense, light-absorbing optical depth characteristic of iron-rich tourmaline group minerals.\u003c\/p\u003e\n\u003cp data-path-to-node=\"3\"\u003eBlack Tourmaline is the iron-rich endmember (\u003ci data-path-to-node=\"3\" data-index-in-node=\"45\"\u003eSchorl\u003c\/i\u003e) of the complex tourmaline cyclosilicate family. Its intense opaque black color is produced by high concentration levels of divalent iron and charge transfer processes within its trigonal silicate structure. Measuring 81.5mm across with a commanding \u003cspan class=\"math-inline\" data-math=\"50.5\\,\\text{mm}\" data-index-in-node=\"410\"\u003e50.5mm\u003c\/span\u003e depth, this raw block displays sharp structural striations that scatter ambient light, making it a powerful centerpiece for mineral cabinets, executive desks, or Feng Shui grounding altars.\u003c\/p\u003e\n\u003cp data-path-to-node=\"4\"\u003e\u003cb data-path-to-node=\"4\" data-index-in-node=\"0\"\u003eGemological \u0026amp; Physical Specifications\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"5\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,0,0\"\u003e\u003cb data-path-to-node=\"5,0,0\" data-index-in-node=\"0\"\u003eMineral Name \/ Gemstone Type:\u003c\/b\u003e Certified Natural Black Tourmaline \/ Schorl (\u003ci data-path-to-node=\"5,0,0\" data-index-in-node=\"75\"\u003eComplex Borosilicates\u003c\/i\u003e)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,1,0\"\u003e\u003cb data-path-to-node=\"5,1,0\" data-index-in-node=\"0\"\u003eSpecimen Form \/ Style:\u003c\/b\u003e Natural Rough Mineral Specimen \/ Uncut Columnar Block\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,2,0\"\u003e\u003cb data-path-to-node=\"5,2,0\" data-index-in-node=\"0\"\u003eColor Profile:\u003c\/b\u003e Opaque Deep Jet-Black Matrix with High Vitreous Gloss along Prism Striations\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,3,0\"\u003e\u003cb data-path-to-node=\"5,3,0\" data-index-in-node=\"0\"\u003eTotal Weight:\u003c\/b\u003e 507.24 grams (Substantial 0.51kg collector display mass)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,4,0\"\u003e\u003cb data-path-to-node=\"5,4,0\" data-index-in-node=\"0\"\u003ePhysical Dimensions:\u003c\/b\u003e 81.5 x 58.0 x 50.5mm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,5,0\"\u003e\u003cb data-path-to-node=\"5,5,0\" data-index-in-node=\"0\"\u003eSpecimen Condition:\u003c\/b\u003e Natural Rough \/ Uncut \u0026amp; Unpolished (Authentic prismatic growth striations and raw earth fracture planes)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,7,0\"\u003e\u003cb data-path-to-node=\"5,7,0\" data-index-in-node=\"0\"\u003eRefractive Index \u0026amp; Specific Gravity:\u003c\/b\u003e R.I. 1.624 – 1.644 \/ S.G. 3.06 – 3.26 (Diagnostic mineralogical constants for schorl tourmaline)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"5,8,0\"\u003e\u003cb data-path-to-node=\"5,8,0\" data-index-in-node=\"0\"\u003eMohs Hardness:\u003c\/b\u003e 7.0 – 7.5 (Exceptional hardness and durability)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"7\"\u003e\u003cb data-path-to-node=\"7\" data-index-in-node=\"0\"\u003eFeng Shui \u0026amp; Metaphysical Significance\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"8\"\u003eIn Crystal Energetics, Eastern Metaphysics, and Feng Shui, \u003cb data-path-to-node=\"8\" data-index-in-node=\"59\"\u003eNatural Black Tourmaline\u003c\/b\u003e is universally revered as the supreme \u003cb data-path-to-node=\"8\" data-index-in-node=\"122\"\u003e\"Master Psychic Shield, Root Chakra Grounding Anchor, EMF Transmuter \u0026amp; Negative Energy Deflector (\u003ci data-path-to-node=\"8\" data-index-in-node=\"220\"\u003eSha Qi\u003c\/i\u003e)\"\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul data-path-to-node=\"9\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,0\"\u003e\u003cb data-path-to-node=\"9,0,0\" data-index-in-node=\"0\"\u003eRoot Chakra Grounding \u0026amp; Energy Defense (Water \u0026amp; Earth Elements):\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,0,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,1,0,0\"\u003e\u003cb data-path-to-node=\"9,0,1,0,0\" data-index-in-node=\"0\"\u003eRoot Chakra Base Anchor (\u003ci data-path-to-node=\"9,0,1,0,0\" data-index-in-node=\"25\"\u003eMuladhara\u003c\/i\u003e):\u003c\/b\u003e Black Tourmaline operates on a powerful, low-frequency vibrational cycle that anchors personal energy deep into the earth. It dissolves fear, anxiety, obsessive thoughts, and emotional stress while instilling practical composure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,0,1,1,0\"\u003e\u003cb data-path-to-node=\"9,0,1,1,0\" data-index-in-node=\"0\"\u003ePyroelectric \u0026amp; Piezoelectric Transmutation:\u003c\/b\u003e Tourmaline naturally possesses pyroelectric and piezoelectric properties (generating electric charges under temperature or pressure changes). Metaphysically, this enables the crystal to absorb, neutralize, and transmute negative environmental static, electromagnetic fields (EMF), and stagnant energy (\u003ci data-path-to-node=\"9,0,1,1,0\" data-index-in-node=\"346\"\u003eSha Qi\u003c\/i\u003e).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,0\"\u003e\u003cb data-path-to-node=\"9,1,0\" data-index-in-node=\"0\"\u003eRough Specimen Energy Dynamics:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"9,1,1\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"9,1,1,0,0\"\u003e\u003cb data-path-to-node=\"9,1,1,0,0\" data-index-in-node=\"0\"\u003eRaw Prismatic Shield:\u003c\/b\u003e The natural columnar striations act as energetic channels, directing protective energy outward in all directions to form an impenetrable energetic boundary around home or workspace environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"11\"\u003e\u003cb data-path-to-node=\"11\" data-index-in-node=\"0\"\u003eDisplay \u0026amp; Usage Guidelines\u003c\/b\u003e\u003c\/p\u003e\n\u003ctable data-path-to-node=\"12\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSetting \/ Usage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eRationale\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,0,0\"\u003e\u003cb data-path-to-node=\"12,1,0,0\" data-index-in-node=\"0\"\u003eHome \/ Office Entryway \u0026amp; Electronics Station\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,1,1,0\"\u003ePositioned near home entry doors or beside computers, Wi-Fi routers, and electronics to deflect negative ambient energy (\u003ci data-path-to-node=\"12,1,1,0\" data-index-in-node=\"121\"\u003eSha Qi\u003c\/i\u003e) and absorb electromagnetic static.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,0,0\"\u003e\u003cb data-path-to-node=\"12,2,0,0\" data-index-in-node=\"0\"\u003eGrounding Anchor \u0026amp; Meditation Focal Piece\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"12,2,1,0\"\u003ePlaced at the foot of a meditation space or on an executive desk to maintain grounded focus, emotional stability, and protection against workplace stress.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp data-path-to-node=\"14\"\u003e\u003cb data-path-to-node=\"14\" data-index-in-node=\"0\"\u003eSpecimen Care \u0026amp; Maintenance Instructions\u003c\/b\u003e\u003c\/p\u003e\n\u003cp data-path-to-node=\"15\"\u003eNatural Black Tourmaline is a very hard mineral (Mohs 7.0–7.5), but its columnar cleavage planes in raw specimens require gentle handling:\u003c\/p\u003e\n\u003cul data-path-to-node=\"16\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,0,0\"\u003e\u003cb data-path-to-node=\"16,0,0\" data-index-in-node=\"0\"\u003eDusting \u0026amp; Cleaning:\u003c\/b\u003e Clean dust from the deep longitudinal striations using a soft natural-bristle brush, soft cloth, or compressed air. If needed, rinse briefly under lukewarm running water and pat dry flat with a microfiber towel.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,1,0\"\u003e\u003cb data-path-to-node=\"16,1,0\" data-index-in-node=\"0\"\u003eAvoid Hard Drops:\u003c\/b\u003e While hard, raw tourmaline can fracture along parallel prismatic cleavage planes if dropped onto hard concrete or tile surfaces.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"16,2,0\"\u003e\u003cb data-path-to-node=\"16,2,0\" data-index-in-node=\"0\"\u003eDisplay Placement:\u003c\/b\u003e Completely impervious to fading under direct sunlight or indoor lighting; maintains its intense jet-black color permanently.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-path-to-node=\"16,3,0\"\u003e\u003cstrong\u003eHave you done your Personal Feng Shui Energy Analysis \u0026amp; Gemstone Alignment \u003cspan style=\"font-size: 0.875rem;\"\u003eat ONLY $38 \u003ca href=\"https:\/\/www.huangsjadeiteandjewelry.com\/collections\/singapore-feng-shui-master-services-%E5%BC%80%E5%85%89-kai-guang\/products\/personal-feng-shui-energy-analysis-gemstone-alignment\" title=\"Huangs Jadeite and Jewelry Bazi Analysis\"\u003ehere\u003c\/a\u003e.\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cdiv class=\"container\"\u003e\n\u003cdiv class=\"description rte\"\u003e\n\u003cp\u003e\u003cb\u003eTransparency:\u003cspan\u003e \u003c\/span\u003e\u003c\/b\u003eTranslucent\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"description rte\"\u003e\n\u003cp\u003e\u003cstrong\u003eRemarks:\u003cspan\u003e \u003c\/span\u003e\u003c\/strong\u003e\u003cspan\u003eAll Natural Crystal, Wood and Gemstones may have impurities, naturally occurring line or rough unless higher end stated close to perfect or perfect. Small items like accessories will come with box or pouch. Display items will be in bubble wrap.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Huangs Jadeite and Jewelry Pte Ltd","offers":[{"title":"Default Title","offer_id":67681504100565,"sku":"00029770","price":254.0,"currency_code":"SGD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/3003\/2452\/files\/456AB978-DE0E-49A6-957F-59B47263304C.jpg?v=1791435836","url":"https:\/\/www.huangsjadeiteandjewelry.com\/zh\/products\/natural-black-tourmaline-rough-display507-24g-81-5-by-58-0-by-50-5mm","provider":"Huangs Jadeite and Jewelry Pte Ltd","version":"1.0","type":"link"}