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.

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Rocks

Showing all 22 resultsSorted by latest

  • Pyritised Gault Clay Concretion Folkestone Kent UK Geological Mineral Specimen

    Pyritised Gault Clay Concretion Folkestone Kent UK Geological Mineral Specimen

    (Actual as seen)

    £15.00
    SKU: SM8778
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    Only 1 left in stock

  • Pink Dolomite with Manganese-Oxide Inclusions Mineral Crystal Specimen

    Pink Dolomite with Manganese-Oxide Inclusions Mineral Crystal Specimen

    (Actual as seen)

    £27.00
    SKU: SM8796
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    Only 1 left in stock

  • Blue Iolite (Cordierite) Rough Specimen Pair India Mineral Crystal Collectible

    Blue Iolite (Cordierite) Rough Specimen Pair India Mineral Crystal Collectible

    (Actual as seen)

    £12.60
    SKU: SM8827
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    Only 1 left in stock

  • Dumortierite-Bearing Blue Quartz Crystal Specimen Mineral Display Decor Gift

    Dumortierite-Bearing Blue Quartz Crystal Specimen Mineral Display Decor Gift

    (Actual as seen)

    £9.90
    SKU: SM8842
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    Only 1 left in stock

  • Dumortierite Crystal Specimen Madagascar Mineral Collectible with Certificate - Display Decor Gift

    Dumortierite Crystal Specimen Madagascar Mineral Collectible with Certificate – Display Decor Gift

    (Actual as seen)

    £12.60
    SKU: SM8877
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    Only 1 left in stock

  • Hornblende gneiss, Norway (rock sample)

    Hornblende gneiss, Norway (rock sample)

    (Regular, will differ to photo)

    Sale! Original price was: £3.36.Current price is: £3.19.
    SKU: RS0222
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    Only 6 left in stock

  • Andesite, Cumbria, UK (rock sample)

    Andesite, Cumbria, UK (rock sample)

    (Regular, will differ to photo)

    Sale! Original price was: £3.36.Current price is: £3.19.
    SKU: RS0312
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    Only 13 left in stock

  • Pumice, Italy (rock sample)

    Pumice, Italy (rock sample)

    (Regular, will differ to photo)

    Sale! Original price was: £3.36.Current price is: £3.19.
    SKU: RS0343
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    Only 15 left in stock

  • Cerussite Galena Dolomite Mineral Crystal Specimen Natural Lead Ore Collector Display Piece Genuine Mineral with Certificate of Authenticity

    Cerussite Galena Dolomite Mineral Crystal Specimen Natural Lead Ore Collector Display Piece Genuine Mineral with Certificate of Authenticity

    (Actual as seen)

    Sale! Original price was: £8.10.Current price is: £7.69.
    SKU: RP2577
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    Only 1 left in stock

  • Cerussite, Galena and Dolomite Crystal Cluster - Genuine Mineral Specimen with Certificate of Authenticity

    Cerussite, Galena and Dolomite Crystal Cluster – Genuine Mineral Specimen with Certificate of Authenticity

    (Actual as seen)

    £8.10
    SKU: RP2576
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    Only 1 left in stock

  • Lewisian Gneiss Crystal Specimen Oldest Rock in the UK Geological Collectible

    Lewisian Gneiss Crystal Specimen Oldest Rock in the UK Geological Collectible

    (Regular, will differ to photo)

    Sale! Original price was: £6.36.Current price is: £6.04.
    SKU: RS0526
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    Only 1 left in stock

  • Andesite - igneous classroom teaching rock (cumbria), authentic

    Andesite – igneous classroom teaching rock (cumbria), authentic

    (Actual as seen)

    Sale! Original price was: £13.20.Current price is: £12.54.
    SKU: RP1379
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    Only 1 left in stock

  • Pumice Stone Italy Natural Igneous Volcanic Rock Specimen

    Pumice Stone Italy Natural Igneous Volcanic Rock Specimen

    (Actual as seen)

    Sale! Original price was: £14.40.Current price is: £9.12.
    SKU: RP0505
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    Only 1 left in stock

  • Anhydrite Crystal Mineral Specimen Cumbria UK Natural Calcium Sulfate Collector Mineral

    Anhydrite Crystal Mineral Specimen Cumbria UK Natural Calcium Sulfate Collector Mineral

    (Actual as seen)

    Sale! Original price was: £15.00.Current price is: £8.83.
    SKU: RP0422
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    Only 1 left in stock

  • Acasta gneiss - oldest known rock on earth - certified

    Acasta gneiss – oldest known rock on earth – certified

    (Actual as seen)

    £30.00
    SKU: RP0345
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    Only 1 left in stock

  • Obsidian Igneous Rock Mexico Natural Volcanic Glass Mineral Specimen Genuine Crystal with Certificate of Authenticity

    Obsidian Igneous Rock Mexico Natural Volcanic Glass Mineral Specimen Genuine Crystal with Certificate of Authenticity

    (Actual as seen)

    £13.80
    SKU: RP0238
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    Only 1 left in stock

  • Hornblende gneiss, metamorphic rock, geology sample, norway, genuine

    Hornblende gneiss, metamorphic rock, geology sample, norway, genuine

    (Actual as seen)

    Sale! Original price was: £13.20.Current price is: £12.54.
    SKU: RP0118
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    Only 1 left in stock

  • Lewisian Gneiss Crystal Specimen UK Oldest Rock Natural Metamorphic Stone Genuine Scottish Geological Collectors Piece with COA

    Lewisian Gneiss Crystal Specimen UK Oldest Rock Natural Metamorphic Stone Genuine Scottish Geological Collectors Piece with COA

    (Actual as seen)

    £16.80
    SKU: RP0066
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    Only 1 left in stock

  • Acasta Gneiss Crystals - Oldest Known Rock on Earth - Genuine

    Acasta Gneiss Crystals – Oldest Known Rock on Earth – Genuine

    (Actual as seen)

    £30.00
    SKU: RP0376
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    Only 1 left in stock

  • Lewisian gneiss oldest rock crystal for spiritual Spiritual, uk seller

    Lewisian gneiss oldest rock crystal for spiritual Spiritual, uk seller

    (Actual as seen)

    £16.80
    SKU: RP1100
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    Out of stock

  • Genuine Acasta Gneiss Specimen – 3.6–4 Billion Year Old Oldest Rock on Earth, Pre-Cambrian Tonalite Gneiss from Canada

    Genuine Acasta Gneiss Specimen – 3.6–4 Billion Year Old Oldest Rock on Earth, Pre-Cambrian Tonalite Gneiss from Canada

    (Actual as seen)

    £30.00
    SKU: RP1280
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    Out of stock

  • Acasta Gneiss 4 Billion Year Old Rock Oldest Known Earth Stone Canada

    Acasta Gneiss 4 Billion Year Old Rock Oldest Known Earth Stone Canada

    (Actual as seen)

    £30.00
    SKU: RP0943
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    Out of stock

Showing all 22 resultsSorted by latest

Rocks are naturally occurring solid substances composed of one or more minerals, organic materials, or other materials. They are classified based on their composition, texture, and origin. The three main types of rocks are igneous, sedimentary, and metamorphic.

Igneous rocks form from cooled and solidified magma or lava. They can be further classified as intrusive or extrusive, depending on whether they formed underground or at the surface.

Sedimentary rocks form from the accumulation and cementation of sediment, which can include rocks, minerals, and organic materials. They can be further classified as clastic, chemical, or organic, depending on how they formed.

Metamorphic rocks form from the transformation of existing rocks due to heat, pressure, or chemical changes. They can be further classified as foliated or non-foliated, depending on the presence or absence of layers.

Rocks play an important role in the Earth’s geology and can provide valuable information about the planet’s history and composition. They are also used for a variety of purposes, such as building materials, gemstones, and industrial minerals.