Looking for genuine Crystals, Natural Tumblestones, Collectible Gemstones, Jewellery, Meteorites (Space rocks)? Look no further than My Lost Gems. Our extensive collection of nature’s hidden treasures is carefully selected for high quality and authenticity, and each item comes with a certificate of authentication. We offer a unique “buy what you see” shopping experience. With new products constantly being added, My Lost Gems is your go-to source for one-of-a-kind hidden gems. Shop now and discover the wonders of the earth.
Original price was: £3.60.£3.24Current price is: £3.24.
(Regular, will differ to photo)
Only 21 left in stock
All our rocks are carefully selected for educational study. Average specimen size is shown below. These are ideal for classroom teaching and are a size that can be easily passed round the classroom for students to get a feel for each type.
Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is an ionic salt called calcium carbonate or CaCO₃.
Approx: 30-40mm
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(Actual as seen)
SALE 39% Original price was: £9.00.£5.47Current price is: £5.47.Only 1 left in stock
(Actual as seen)
£13.20Only 1 left in stock
(Actual as seen)
£9.00Only 1 left in stock
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