Prehnite
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- About
- Actinolite
- Adamite
- Agate
- Albite
- Altaite
- Amazonite
- Amber
- Amethyst
- Ametrine
- Ammonite
- Apatite
- Apophyllite
- Aquamarine
- Aragonite
- Aura Quartz
- Aurichalcite
- Austinite
- Aventurine
- Azurite
- Baker Geodes
- Barite
- Beryl
- Black Tourmaline (Schorl)
- Bloodstone
- Brochantite
- Brucite
- Calcite
- Carnelian
- Cassiterite
- Celestite
- Cerussite
- Chabazite
- Chalcedony
- Chalcopyrite
- Charoite
- Chiastolite
- Chrome Diopside
- Chrysocolla
- Citrine
- Columbite
- Conichalcite
- Copper
- Covellite
- Cuprite
- Danburite
- Descloisite
- Dinosaur Bone (fossil)
- Dioptase
- Dolomite
- Dumortierite
- Emerald
- Erythrite
- Epidote
- Feldspar
- Fluorite
- Fossil Coral
- Fossil Sand Dollar
- Fossil Sea Urchin
- Fossil Shells
- Fossil Shrimp
- Franklinite
- Fuchsite
- Fulgurite (Lechatelierite)
- Galena
- Garnet
- Geodes
- Goethite
- Gypsum
- Halite
- Hematite
- Hemimorphite
- Herkimer "diamond"
- Heulandite
- Holmquistite
- Iolite
- Jade, Nephrite, and Jadeite
- Jasper
- Jet
- Kyanite
- Labradorite
- Lapis Lazuli
- Larimar
- Lemurian quartz
- Lepidolite
- Libyan Desert Glass
- Linarite
- Lithium Quartz
- Magnetite
- Malachite
- Mesolite
- Meteorite
- Microcline
- Mimetite
- Moldavite
- Moonstone
- Moqui Balls
- Mordenite
- Morganite
- Mottramite
- Muscovite
- Obsidian
- Olivine
- Onyx
- Opal
- Orpiment
- Orthoclase
- Pearl
- Peridot
- Petrified Wood (fossil)
- Phlogopite
- Piemontite
- Pietersite
- Pinolith
- Planerite
- Prasiolite
- Prehnite
- Pyrite
- Quartz
- Rhodochrocite
- Rhodonite
- Ricardite
- Rosasite
- Rose Quartz
- Ruby
- Ruby in Zoisite (Anyolite)
- Sapphire
- Scolecite
- Schorl (Black Tourmaline)
- Selenite
- Seraphinite
- Serpentine
- Shiva Lingham
- Shungite
- Smithsonite
- Smoky Quartz
- Sodalite
- Sphalerite
- Spinel
- Staurolite
- Stibnite
- Stichtite
- Stilbite
- Stromatolite (fossil)
- Sturmanite
- Sunstone
- Super 7
- Tanzanite
- Thulite
- Tiffany Stone
- Tigers Eye
- Trilobite (fossil)
- Topaz
- Tourmaline
- Turquoise
- Unakite
- Vanadinite
- Variscite
- Vesuvianite
- Volborthite
- Wavellite
- Wulfenite
- Yooperlite
- Zeolites
- Zoisite
- Uralite
Prehnite is a hydrous calcium aluminosilicate usually found as a secondary mineral in basaltic volcanic rocks, and sometimes with low grade metamorphic rocks. Its formula is Ca2Al2Si3O10(OH)2
Discover more about prehnite HERE (mineralogy & geology; spiritual, metaphysical & healing properties)
- Shop
- New
- New Mexico Minerals
- Minerals
- Fossils
- Metaphysical Shop
- Jewelry
- For the Home
- Sale
- Sets & Kits
- Gift Certificates
- Minerals & Fossils
- Shop Minerals & Fossils
- Mineral & Fossil Info
- Minerals & Fossils by State (USA)
- Minerals & Fossils by Country
- About Fossils
- Discover
- New Mexico Geology
- The Geo-Nerd News
- The Taos Rockers Newsletter
- Birthstones
- Geologic Time Scale
- Mohs Scale of Mineral Hardness
- Chakras
- Southwest Gem/ Mineral/ Rock Clubs
- Taos Rockers' Gem Safari
- Size Chart
- About
- Actinolite
- Adamite
- Agate
- Albite
- Altaite
- Amazonite
- Amber
- Amethyst
- Ametrine
- Ammonite
- Apatite
- Apophyllite
- Aquamarine
- Aragonite
- Aura Quartz
- Aurichalcite
- Austinite
- Aventurine
- Azurite
- Baker Geodes
- Barite
- Beryl
- Black Tourmaline (Schorl)
- Bloodstone
- Brochantite
- Brucite
- Calcite
- Carnelian
- Cassiterite
- Celestite
- Cerussite
- Chabazite
- Chalcedony
- Chalcopyrite
- Charoite
- Chiastolite
- Chrome Diopside
- Chrysocolla
- Citrine
- Columbite
- Conichalcite
- Copper
- Covellite
- Cuprite
- Danburite
- Descloisite
- Dinosaur Bone (fossil)
- Dioptase
- Dolomite
- Dumortierite
- Emerald
- Erythrite
- Epidote
- Feldspar
- Fluorite
- Fossil Coral
- Fossil Sand Dollar
- Fossil Sea Urchin
- Fossil Shells
- Fossil Shrimp
- Franklinite
- Fuchsite
- Fulgurite (Lechatelierite)
- Galena
- Garnet
- Geodes
- Goethite
- Gypsum
- Halite
- Hematite
- Hemimorphite
- Herkimer "diamond"
- Heulandite
- Holmquistite
- Iolite
- Jade, Nephrite, and Jadeite
- Jasper
- Jet
- Kyanite
- Labradorite
- Lapis Lazuli
- Larimar
- Lemurian quartz
- Lepidolite
- Libyan Desert Glass
- Linarite
- Lithium Quartz
- Magnetite
- Malachite
- Mesolite
- Meteorite
- Microcline
- Mimetite
- Moldavite
- Moonstone
- Moqui Balls
- Mordenite
- Morganite
- Mottramite
- Muscovite
- Obsidian
- Olivine
- Onyx
- Opal
- Orpiment
- Orthoclase
- Pearl
- Peridot
- Petrified Wood (fossil)
- Phlogopite
- Piemontite
- Pietersite
- Pinolith
- Planerite
- Prasiolite
- Prehnite
- Pyrite
- Quartz
- Rhodochrocite
- Rhodonite
- Ricardite
- Rosasite
- Rose Quartz
- Ruby
- Ruby in Zoisite (Anyolite)
- Sapphire
- Scolecite
- Schorl (Black Tourmaline)
- Selenite
- Seraphinite
- Serpentine
- Shiva Lingham
- Shungite
- Smithsonite
- Smoky Quartz
- Sodalite
- Sphalerite
- Spinel
- Staurolite
- Stibnite
- Stichtite
- Stilbite
- Stromatolite (fossil)
- Sturmanite
- Sunstone
- Super 7
- Tanzanite
- Thulite
- Tiffany Stone
- Tigers Eye
- Trilobite (fossil)
- Topaz
- Tourmaline
- Turquoise
- Unakite
- Vanadinite
- Variscite
- Vesuvianite
- Volborthite
- Wavellite
- Wulfenite
- Yooperlite
- Zeolites
- Zoisite
- Uralite
Refine
- Shop
- New
- New Mexico Minerals
- Minerals
- Fossils
- Metaphysical Shop
- Jewelry
- For the Home
- Sale
- Sets & Kits
- Gift Certificates
- Minerals & Fossils
- Shop Minerals & Fossils
- Mineral & Fossil Info
- Minerals & Fossils by State (USA)
- Minerals & Fossils by Country
- About Fossils
- Discover
- New Mexico Geology
- The Geo-Nerd News
- The Taos Rockers Newsletter
- Birthstones
- Geologic Time Scale
- Mohs Scale of Mineral Hardness
- Chakras
- Southwest Gem/ Mineral/ Rock Clubs
- Taos Rockers' Gem Safari
- Size Chart
- About
- Actinolite
- Adamite
- Agate
- Albite
- Altaite
- Amazonite
- Amber
- Amethyst
- Ametrine
- Ammonite
- Apatite
- Apophyllite
- Aquamarine
- Aragonite
- Aura Quartz
- Aurichalcite
- Austinite
- Aventurine
- Azurite
- Baker Geodes
- Barite
- Beryl
- Black Tourmaline (Schorl)
- Bloodstone
- Brochantite
- Brucite
- Calcite
- Carnelian
- Cassiterite
- Celestite
- Cerussite
- Chabazite
- Chalcedony
- Chalcopyrite
- Charoite
- Chiastolite
- Chrome Diopside
- Chrysocolla
- Citrine
- Columbite
- Conichalcite
- Copper
- Covellite
- Cuprite
- Danburite
- Descloisite
- Dinosaur Bone (fossil)
- Dioptase
- Dolomite
- Dumortierite
- Emerald
- Erythrite
- Epidote
- Feldspar
- Fluorite
- Fossil Coral
- Fossil Sand Dollar
- Fossil Sea Urchin
- Fossil Shells
- Fossil Shrimp
- Franklinite
- Fuchsite
- Fulgurite (Lechatelierite)
- Galena
- Garnet
- Geodes
- Goethite
- Gypsum
- Halite
- Hematite
- Hemimorphite
- Herkimer "diamond"
- Heulandite
- Holmquistite
- Iolite
- Jade, Nephrite, and Jadeite
- Jasper
- Jet
- Kyanite
- Labradorite
- Lapis Lazuli
- Larimar
- Lemurian quartz
- Lepidolite
- Libyan Desert Glass
- Linarite
- Lithium Quartz
- Magnetite
- Malachite
- Mesolite
- Meteorite
- Microcline
- Mimetite
- Moldavite
- Moonstone
- Moqui Balls
- Mordenite
- Morganite
- Mottramite
- Muscovite
- Obsidian
- Olivine
- Onyx
- Opal
- Orpiment
- Orthoclase
- Pearl
- Peridot
- Petrified Wood (fossil)
- Phlogopite
- Piemontite
- Pietersite
- Pinolith
- Planerite
- Prasiolite
- Prehnite
- Pyrite
- Quartz
- Rhodochrocite
- Rhodonite
- Ricardite
- Rosasite
- Rose Quartz
- Ruby
- Ruby in Zoisite (Anyolite)
- Sapphire
- Scolecite
- Schorl (Black Tourmaline)
- Selenite
- Seraphinite
- Serpentine
- Shiva Lingham
- Shungite
- Smithsonite
- Smoky Quartz
- Sodalite
- Sphalerite
- Spinel
- Staurolite
- Stibnite
- Stichtite
- Stilbite
- Stromatolite (fossil)
- Sturmanite
- Sunstone
- Super 7
- Tanzanite
- Thulite
- Tiffany Stone
- Tigers Eye
- Trilobite (fossil)
- Topaz
- Tourmaline
- Turquoise
- Unakite
- Vanadinite
- Variscite
- Vesuvianite
- Volborthite
- Wavellite
- Wulfenite
- Yooperlite
- Zeolites
- Zoisite
- Uralite
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