The Netherlands doesn't have an official national gemstone. Turquoise is the national gemstone of Iran, opal is the national gemstone of Australia and amber is the national gemstone of Spain.
Ontario's national gemstone is the Amethyst
There isn't really a national gemstone of China. But a really popular gemstone is Jade.
lapis
Turquoise Is the answer
There are two gemstones that have been England's national gemstone. Shell cameos and amethyst are two national gemstones of the country of England.
The Lion is the national animal of the Netherlands.
Aquamarine Gem. Sparkles in Smithsonian
The Netherlands does not have a national tree. They do however have an unofficial national flower which is the tulip.
National Library of the Netherlands was created in 1798.
National Alliance - Netherlands - ended in 2007.
National Alliance - Netherlands - was created in 2003.
National Herbarium of the Netherlands was created in 1999.