Collect Rocks Day
Collect Rocks Day is held on September 16. This event in the second decade of the month September is annual. 
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There are three different types of rock. They are Igneous, Sedimentary and Metamorphic. Rock collectors and mineral collectors are two different kinds of rockhound. Although both seek specimens that are good examples of their type, good rocks and good minerals never occur together.
Beauty is often in the eye of the beholder when it comes to collecting rocks, unique mineral specimens, or gems for jewelry but there is also a science and history behind their beauty. Sep16 Fun Holiday – Collect Rocks Day, which has only been commemorated since 2015.
It offers a good excuse to celebrate Earth and science, to indulge your inner geologist, and to learn fascinating things about the material that makes up Earth’s surface.
Similar holidays and events, festivals and interesting facts
International Dot Day on September 15
Confucius Day on September 15 (Confucius' birthday falls on the 27th day of the eighth lunar month according to the Chinese calendar);
Felt Hat Day on September 15
Mayflower Day on September 16
Play-Doh Day on September 16
Batman Day on September 17 (an annual observance begun by DC Comics on September 17, 2013. The purpose of Batman Day is to celebrate the anniversary of the character’s first ever appearance, which was in Detective Comics #27 way back in May 1939);
World Gratitude Day on September 21 (First celebrated in 1965);
International Eat An Apple Day on September 21 (Third Saturday of Septembe);
Miniature Golf Day on September 21
International Day of Struggle against Monoculture Tree Plantations on September 21
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