_:nad85385682c046a39703000b7a1cbd43xb0
<http://schema.org/thumbnailUrl>
<https://www.stoneworld.com/ext/resources/Issues/2020/07-July/SW0720_SOTM01.jpg?t=1594573140&width=696>
<https://www.stoneworld.com/articles/91460-stone-of-the-month-jms-jura-grey-upper-layer-limestone>