{"title":"Polychrome tourmaline","description":"\u003cp data-start=\"0\" data-end=\"268\"\u003e \u003cstrong data-start=\"3\" data-end=\"28\"\u003ePolychrome tourmaline\u003c\/strong\u003e , also called \u003cstrong data-start=\"48\" data-end=\"74\"\u003emulticolored tourmaline\u003c\/strong\u003e or sometimes \u003cstrong data-start=\"86\" data-end=\"109\"\u003ewatermelon tourmaline\u003c\/strong\u003e (in some specific cases), is a variety of tourmaline notable for its multiple colors visible on a single crystal.\u003c\/p\u003e\n\n\u003chr data-start=\"270\" data-end=\"273\"\u003e\n\n\u003ch3 data-start=\"275\" data-end=\"312\"\u003e 🌈 \u003cstrong data-start=\"282\" data-end=\"312\"\u003eGeneral characteristics\u003c\/strong\u003e \n\n\u003c\/h3\u003e\n\n\u003cul data-start=\"313\" data-end=\"681\"\u003e\n\n\u003cli data-start=\"313\" data-end=\"370\"\u003e\n\n\u003cp data-start=\"315\" data-end=\"370\"\u003e \u003cstrong data-start=\"315\" data-end=\"337\"\u003eMineral family:\u003c\/strong\u003e Silicate, tourmaline group \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"371\" data-end=\"449\"\u003e\n\n\u003cp data-start=\"373\" data-end=\"449\"\u003e \u003cstrong data-start=\"373\" data-end=\"404\"\u003eGeneral chemical formula:\u003c\/strong\u003e (Na,Ca)(Li,Mg,Al)(Al,Fe)₆(BO₃)₃Si₆O₁₈(OH)₄ \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"450\" data-end=\"485\"\u003e\n\n\u003cp data-start=\"452\" data-end=\"485\"\u003e \u003cstrong data-start=\"452\" data-end=\"476\"\u003eCrystal system:\u003c\/strong\u003e Trigonal\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"486\" data-end=\"526\"\u003e\n\n \u003cp data-start=\"488\" data-end=\"526\"\u003e\u003cstrong data-start=\"488\" data-end=\"500\"\u003eHardness:\u003c\/strong\u003e 7 to 7.5 (Mohs scale) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"527\" data-end=\"548\"\u003e\n\n\u003cp data-start=\"529\" data-end=\"548\"\u003e \u003cstrong data-start=\"529\" data-end=\"540\"\u003eLuster:\u003c\/strong\u003e Vitreous \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"549\" data-end=\"681\"\u003e\n\n\u003cp data-start=\"551\" data-end=\"681\"\u003e \u003cstrong data-start=\"551\" data-end=\"565\"\u003eColors:\u003c\/strong\u003e Combinations of green, pink, red, blue, yellow, brown, sometimes black — in the same crystal or in different areas. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"683\" data-end=\"686\"\u003e\n\n\u003ch3 data-start=\"688\" data-end=\"720\"\u003e 🎨 \u003cstrong data-start=\"695\" data-end=\"720\"\u003eOrigin of the color\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\n\u003cp data-start=\"721\" data-end=\"798\"\u003e The varied colors come from the different chemical elements present: \u003c\/p\u003e\n\n\u003cul data-start=\"799\" data-end=\"935\"\u003e\n\n\u003cli data-start=\"799\" data-end=\"832\"\u003e\n\n\u003cp data-start=\"801\" data-end=\"832\"\u003e \u003cstrong data-start=\"801\" data-end=\"808\"\u003eIron\u003c\/strong\u003e (Fe): blue-green to black \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"833\" data-end=\"868\"\u003e\n\n\u003cp data-start=\"835\" data-end=\"868\"\u003e \u003cstrong data-start=\"835\" data-end=\"848\"\u003eManganese\u003c\/strong\u003e (Mn): pink to red \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"869\" data-end=\"935\"\u003e\n\n\u003cp data-start=\"871\" data-end=\"935\"\u003e \u003cstrong data-start=\"871\" data-end=\"882\"\u003eLithium\u003c\/strong\u003e (Li), chromium, vanadium: give various shades\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003cp data-start=\"937\" data-end=\"1049\"\u003e Some crystals have natural color zoning due to chemical changes during their growth.\u003c\/p\u003e\n\n\u003chr data-start=\"1051\" data-end=\"1054\"\u003e\n\n\u003ch3 data-start=\"1056\" data-end=\"1102\"\u003e 🔍 \u003cstrong data-start=\"1063\" data-end=\"1102\"\u003eWatermelon tourmaline vs. polychrome\u003c\/strong\u003e \n\n\u003c\/h3\u003e\n\n\u003cul data-start=\"1103\" data-end=\"1419\"\u003e\n\n\u003cli data-start=\"1103\" data-end=\"1256\"\u003e\n\n \u003cp data-start=\"1105\" data-end=\"1256\"\u003e\u003cstrong data-start=\"1105\" data-end=\"1130\"\u003eWatermelon Tourmaline:\u003c\/strong\u003e \u003cstrong data-start=\"1138\" data-end=\"1146\"\u003ePink\u003c\/strong\u003e center surrounded by a \u003cstrong data-start=\"1165\" data-end=\"1173\"\u003egreen\u003c\/strong\u003e rim, reminiscent of a watermelon. This is a very specific form of polychrome tourmaline. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1257\" data-end=\"1419\"\u003e\n\n\u003cp data-start=\"1259\" data-end=\"1419\"\u003e \u003cstrong data-start=\"1259\" data-end=\"1286\"\u003ePolychrome tourmaline:\u003c\/strong\u003e A more general term that refers to any tourmaline with several distinct colors, without necessarily having this \"watermelon\" structure. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"1421\" data-end=\"1424\"\u003e\n\n\u003ch3 data-start=\"1426\" data-end=\"1457\"\u003e 🌍 \u003cstrong data-start=\"1433\" data-end=\"1457\"\u003eGeographical origin\u003c\/strong\u003e\n\n\u003c\/h3\u003e\n\n\u003cp data-start=\"1458\" data-end=\"1517\"\u003e Polychrome tourmalines are found mainly in: \u003c\/p\u003e\n\n\u003cul data-start=\"1518\" data-end=\"1634\"\u003e\n\n\u003cli data-start=\"1518\" data-end=\"1568\"\u003e\n\n\u003cp data-start=\"1520\" data-end=\"1568\"\u003e \u003cstrong data-start=\"1520\" data-end=\"1530\"\u003eBrazil\u003c\/strong\u003e (especially in the state of Minas Gerais) \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1569\" data-end=\"1585\"\u003e\n\n\u003cp data-start=\"1571\" data-end=\"1585\"\u003e \u003cstrong data-start=\"1571\" data-end=\"1585\"\u003eMadagascar\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1586\" data-end=\"1603\"\u003e\n\n\u003cp data-start=\"1588\" data-end=\"1603\"\u003e \u003cstrong data-start=\"1588\" data-end=\"1603\"\u003eAfghanistan\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1604\" data-end=\"1617\"\u003e\n\n\u003cp data-start=\"1606\" data-end=\"1617\"\u003e \u003cstrong data-start=\"1606\" data-end=\"1617\"\u003eNigeria\u003c\/strong\u003e \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1618\" data-end=\"1634\"\u003e\n\n\u003cp data-start=\"1620\" data-end=\"1634\"\u003e \u003cstrong data-start=\"1620\" data-end=\"1634\"\u003eMozambique\u003c\/strong\u003e\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"1636\" data-end=\"1639\"\u003e\n\n \u003ch3 data-start=\"1641\" data-end=\"1677\"\u003e💎 \u003cstrong data-start=\"1648\" data-end=\"1677\"\u003eUse and symbolism\u003c\/strong\u003e \n\n\u003c\/h3\u003e\n\n\u003cul data-start=\"1678\" data-end=\"1895\"\u003e\n\n\u003cli data-start=\"1678\" data-end=\"1753\"\u003e\n\n\u003cp data-start=\"1680\" data-end=\"1753\"\u003e \u003cstrong data-start=\"1680\" data-end=\"1692\"\u003eJewelry:\u003c\/strong\u003e Highly prized for rings, pendants, earrings. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1754\" data-end=\"1895\"\u003e\n\n\u003cp data-start=\"1756\" data-end=\"1775\"\u003e \u003cstrong data-start=\"1756\" data-end=\"1775\"\u003eLithotherapy:\u003c\/strong\u003e \u003c\/p\u003e\n\n\u003cul data-start=\"1778\" data-end=\"1895\"\u003e\n\n\u003cli data-start=\"1778\" data-end=\"1802\"\u003e\n\n\u003cp data-start=\"1780\" data-end=\"1802\"\u003e Balances emotions \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1805\" data-end=\"1829\"\u003e\n\n\u003cp data-start=\"1807\" data-end=\"1829\"\u003e Promotes creativity \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1832\" data-end=\"1856\"\u003e\n\n\u003cp data-start=\"1834\" data-end=\"1856\"\u003e Harmonizes energies \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"1859\" data-end=\"1895\"\u003e\n\n\u003cp data-start=\"1861\" data-end=\"1895\"\u003e Protects against negative waves \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e\n\n\u003chr data-start=\"1984\" data-end=\"1987\"\u003e\n\n\u003ch3 data-start=\"1989\" data-end=\"2018\"\u003e 📌 \u003cstrong data-start=\"1996\" data-end=\"2018\"\u003eInteresting Facts\u003c\/strong\u003e \n\n\u003c\/h3\u003e\n\n\u003cul data-start=\"2019\" data-end=\"2218\"\u003e\n\n\u003cli data-start=\"2019\" data-end=\"2125\"\u003e\n\n\u003cp data-start=\"2021\" data-end=\"2125\"\u003e Tourmaline is \u003cstrong data-start=\"2039\" data-end=\"2057\"\u003epyroelectric\u003c\/strong\u003e : it can generate an electric charge when heated. \u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\u003cli data-start=\"2126\" data-end=\"2218\"\u003e\n\n\u003cp data-start=\"2128\" data-end=\"2218\"\u003e It is also \u003cstrong data-start=\"2147\" data-end=\"2166\"\u003epiezoelectric\u003c\/strong\u003e : it produces a charge when it is compressed.\u003c\/p\u003e\n\n\n\u003c\/li\u003e\n\n\n\u003c\/ul\u003e","products":[{"product_id":"bracelet-tourmaline-polychrome-melon-deau-bresil-aa-boules-7-8mm","title":"Black tourmaline bracelet Brazil A (7-8mm balls)","description":"\u003cp\u003e BRA-TOUR-03\u003cbr\u003e Origin: Brazil\u003cbr\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003eGrade: A\u003c\/span\u003e \u003c\/p\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; color: rgb(0, 0, 0); font-size: 14px; text-align: left; background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv trebuchet=\"\" ms=\"\" arial=\"\" helvetica=\"\" sans-serif=\"\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\n\u003cdiv trebuchet=\"\" ms=\"\" arial=\"\" helvetica=\"\" sans-serif=\"\"\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255); font-size: 14px;\"\u003e \u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eOrigin:\u003c\/span\u003e\u003c\/strong\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255); font-size: 14px;\"\u003e \u003cspan class=\"PBLongTxt\"\u003eBrazil\u003cbr\u003e\u003cbr\u003e\u003c\/span\u003e\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cspan class=\"PBLongTxt\"\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003e\u003c\/span\u003e\u003c\/strong\u003e\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv trebuchet=\"\" ms=\"\" arial=\"\" helvetica=\"\" sans-serif=\"\"\u003e\u003cspan class=\"PBLongTxt\"\u003e\u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eDimensions:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cspan style=\"background-color: rgb(255, 255, 255);\"\u003eApproximately 18cm - Fits all wrist sizes 17 to 19cm\u003c\/span\u003e\u003cbr\u003e\u003cbr class=\"PBLongTxt\"\u003e \u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eWeight:\u003c\/span\u003e\u003c\/strong\u003e\u003cbr\u003e \u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003eAbout 20g\u003c\/span\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv trebuchet=\"\" ms=\"\" arial=\"\" helvetica=\"\" sans-serif=\"\"\u003e \n\u003cspan class=\"PBLongTxt\"\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003e\u003c\/span\u003e\u003c\/span\u003e \u003cbr\u003e\n\n\u003c\/div\u003e\n\n\u003cdiv trebuchet=\"\" ms=\"\" arial=\"\" helvetica=\"\" sans-serif=\"\"\u003e\n\n\u003cdiv\u003e\n\n\u003cdiv style=\"font-family: Arial, Helvetica, sans-serif; background-color: rgb(255, 255, 255); font-size: 14px;\"\u003e \u003cstrong\u003e\u003cspan class=\"PBMainTxt\"\u003eQuality:\u003c\/span\u003e\u003c\/strong\u003e\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n \u003cspan class=\"PBLongTxt\"\u003e\u003cspan style=\"font-family: Arial, Helvetica, sans-serif;\"\u003eA = good\u003c\/span\u003e\u003c\/span\u003e\n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cspan class=\"PBLongTxt\"\u003e\u003cbr\u003e\u003c\/span\u003e \n\n\u003c\/div\u003e\n\n\n\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: justify; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);\"\u003e \u003cspan class=\"PBLongTxt\"\u003eVery beautiful elastic bracelet made of 7-8mm black tourmaline balls.\u003c\/span\u003e \u003c\/div\u003e\n\n\u003cdiv style=\"text-align: justify; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);\"\u003e\u003cspan class=\"PBLongTxt\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: justify; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);\"\u003e\u003cspan class=\"PBLongTxt\"\u003e\u003c\/span\u003e\u003c\/div\u003e\n\n\u003cdiv style=\"text-align: justify; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);\"\u003e\n\n\u003cspan class=\"PBLongTxt\"\u003e\u003c\/span\u003e Black tourmaline is the best-known variety of tourmaline. It is also identified under the name schorl. It is called black, but it can also be dark brown. It gained its notoriety over time due to its numerous properties.\u003cbr\u003e \u003cbr\u003eSo black tourmaline, schorl, is the most common tourmaline and can sometimes be up to 2m tall. Its composition, very rich in iron, gives it this black, opaque and intense appearance. We can emphasize that it is the only kind of tourmaline with a uniform color.\u003cbr\u003e\u003cbr\u003e Thus, schorl, a mineral species of tourmaline, belongs to the group of silicates, subgroup of cyclosilicates. The name “schorl” comes from German. It has a vitreous luster, with a conchoidal fracture, its line is white. It is a mineral from metamorphic rocks, leucogranites and pegmatites.\u003cbr\u003e \u003cbr\u003eLike all tourmalines, schorl is composed of complex silicate of boron, sodium, aluminum and has a hardness of 7 to 7.5 on the Mohs scale. Its crystal system is rhombohedral. Schorl or black tourmaline occurs in the form of elongated prismatic crystals, well formed and striated in elongation or in the form of small aggregates of small crystals.\u003cbr\u003e\u003cbr\u003e Black tourmaline is a very ancient stone, cited in many traditions, notably among the Brazilians, Egyptians, Greeks and Indians. It is a stone renowned for its protective properties. It is also an anchoring stone used today in lithotherapy and meditation. Due to its piezoelectric properties, black tourmaline is also used in electrochemistry.\u003cbr\u003e\u003cbr\u003e The main deposits are located in Brazil, Madagascar, etc.\u003cbr\u003e \u003cbr\u003eIn lithotherapy, tourmaline is a very powerful anchoring stone. It helps keep your feet on the ground, calms scattered thoughts and refocuses your attention. It soothes the mind and irrational fears. It allows you to connect to your inner self, to perceive deep needs and to identify the cause of certain blockages. These are often traumas linked to childhood. It is an excellent meditation stone which channels the digressions of the mind.\u003cbr\u003e \u003cbr\u003eThus, schorl has strong protective properties. It is capable of absorbing the negative energies released by certain angry, jealous or envious people. It is said to neutralize harmful influences and is able to absorb electromagnetic waves. It is a stone of protection for both people and places. Placing various black tourmalines in the house, wearing a black tourmaline bracelet allows the person or home to be protected. This black stone removes the negative consequences of an unhealthy environment or the waves of domestic devices (telephone, computers, etc.).\u003cbr\u003e\u003cbr\u003e Black tourmaline helps divert bad thoughts, it improves concentration, creativity, inspiration and imagination. It is recommended for children or hyperactive people.\u003cbr\u003e\u003cbr\u003e It helps to find serenity and harmony.\u003cbr\u003e \u003cbr\u003eThe wearer is calmer, less distressed and less anxious. He finds peace and wisdom.\u003c\/div\u003e","brand":"La Boite à Cailloux","offers":[{"title":"Default Title","offer_id":53854557798748,"sku":"BRA-TOUR-35","price":39.9,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8577\/6732\/files\/bracelet-tourmaline-polychrome-melon-deau-bresil-aa-boules-7-8mm-3743156.jpg?v=1779713234"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0808\/8577\/6732\/collections\/tourmaline-polychrome-7849212.jpg?v=1779712996","url":"https:\/\/www.laboiteacailloux.com\/en\/collections\/tourmaline-polychrome.oembed","provider":"La Boite à Cailloux","version":"1.0","type":"link"}