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Chalk has many uses, but not all chalk is the same substance. This guide shows you how to make your own DIY chalk.
You will need: 98 more words
3 hours, 42 minutes ago
crystals, rocks & minerals
513 Black Flint sphere – Flint is a hard, sedimentary form of the mineral Quartz, and is a variety of Chert. It occurs as nodules and masses in sedimentary rocks, such as Chalk and Limestone. 23 more words
16 hours, 19 minutes ago
20 hours, 50 minutes ago
Source: One Stop Shop
1 day, 13 hours ago
So it’s summer! That’s great right? Warm weather, fresh flowers, summer fruit. Basically what’s not to love about summer. With all the nice weather, there is so much to do! 387 more words
2 days, 21 hours ago
510 Red Flint is a hard, sedimentary form of the mineral Quartz, and is a variety of Chert. It occurs as nodules and masses in sedimentary rocks, such as Chalk and Limestone. 44 more words
4 days, 3 hours ago
308 Honey Calcite – 28g – is a colourful variety of Calcite that looks like honey or honeycomb. Calcite is a very common mineral and is a main component in Chalk, Marble and Limestone.
4 days, 13 hours ago