Amethyst<\/a>\u00a0is the purple variety of quartz, coloured by traces of iron and exposure to natural radiation. Its colour ranges from pale violet to deep purple, and it often crystallises in hexagonal prisms. Amethyst is widely used as a gemstone and decorative material because of its attractive colour and transparency.<\/p>\n Major deposits include Brazil, Uruguay, Zambia, Madagascar and Russia. The mineral forms in hydrothermal veins and magmatic rocks such as basalt, where it forms crystals in geodes. Its chemical formula is SiO\u2082 and its hardness is 7 on the Mohs scale. Variants such as chevron amethyst and Siberian amethyst are popular for their pattern or deep colour.<\/p>\n Sources:<\/strong> Amethist Amethist\u00a0is de paarse vari\u00ebteit van kwarts, gekleurd door sporen van ijzer en blootstelling aan natuurlijke straling. De kleur varieert van licht violet tot diep paars, en het kristalliseert vaak in zeshoekige prisma\u2019s. Amethist wordt veel gebruikt als edelsteen en decoratief materiaal vanwege zijn aantrekkelijke kleur en transparantie. Belangrijke vindplaatsen zijn onder andere Brazili\u00eb, Uruguay, […]<\/p>\n","protected":false},"featured_media":72467,"template":"","meta":{"_acf_changed":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"default","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}}},"soort":[],"product_brand":[],"product_cat":[1066],"product_tag":[],"class_list":["post-71144","product","type-product","status-publish","has-post-thumbnail","product_cat-schedels","pa_herkomst-china","pa_soort-amethist","pa_verkoopeenheid-per-stuk","pa_vorm-schedel","desktop-align-center","tablet-align-center","mobile-align-center","ast-product-gallery-layout-horizontal-slider","ast-product-tabs-layout-horizontal","first","instock","taxable","shipping-taxable","product-type-simple"],"acf":[],"_links":{"self":[{"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/product\/71144","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/types\/product"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/media\/72467"}],"wp:attachment":[{"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/media?parent=71144"}],"wp:term":[{"taxonomy":"soort","embeddable":true,"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/soort?post=71144"},{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/product_brand?post=71144"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/product_cat?post=71144"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/www.ruschmineralen.nl\/en\/wp-json\/wp\/v2\/product_tag?post=71144"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nMindat.org<\/a>,\u00a0Gemdat.org<\/a>,\u00a0Wikipedia \u2013 Amethyst<\/a><\/small><\/p>","protected":false},"excerpt":{"rendered":"