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Pure Water Pebbles Aquarium Gravel, 25-Pound, Neon Blue


Pure Water Pebbles Aquarium Gravel, 25-Pound, Neon Blue


Product description

Pure Water Pebbles Neon Blue Aquarium Gravel 25LBS (Grain size: 3.1-6.3mm). Use them in your aquariums and ponds to make the floor bottom look great. It provides living space for beneficial microbes and anchoring for plants. It also helps with the filtering process of the water in your aquarium tank or pond by increasing the surface area available for nitrifying bacteria to colonize. Recommended Uses: Fresh amp; Saltwater Aquariums. Ponds. Terrariums. Gardens. Potted Plants. Vases. Ash Trays. Crafts amp; Hobbies.

Pure Water Pebbles Aquarium Gravel, 25-Pound, Neon Blue

Gold-Filled Circle Dangle Earrings - Emerald Gemstone Drops - Ma
General Geology
Geologic Hazards
Olivia Newton John signed Back with a Heart cd
Oil and Gas
Plate Tectonics
Satellite Images
Teacher Resources
U.S. Maps
World Maps
World Records

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Mineral Luster

What Is Luster? Luster is the light-reflecting characteristics of a mineral specimen.

Sand is a diverse material. This gallery includes photos of sand from around the world.
Mineral Hardness
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Hardness Picks

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E.T. Volcanoes

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Rock Tumblers

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Mars Meteorites

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US Diamond Mines

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Pictures of Opal - A collection of different types of opal from all around the world and Mars too!
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Watch out for Ticks!

Ticks are a problem for geologists in some areas. Learn to recognize and avoid them.
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Geology Tools

Geology Tools Rock hammers, field bags, hand lenses, maps, hardness picks, gold pans.

Mineraloids are amorphous naturally-occurring inorganic solids that lack crystallinity.
American Gemstones

Mined in America - Small mines in the United States produce a diversity of beautiful gemstones.
Underwater Volcano

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Fireworks & Minerals

The Science of Fireworks Learn how the colors and shapes are created.
Greatest Ocean Depth

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To Violate The Oblivious
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Obsidian - the volcanic rock that cools so quickly that it becomes a natural glass.
Uses of Gold

The Many Uses of Gold - Unique properties make gold one of the most useful metals.

Soapstone is a metamorphic rock with properties that make it suitable for a variety of projects.
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Methane Hydrate

Methane Hydrate deposits contain more fuel value than all other fossil fuels combined.

Minerals - Descriptions, photos, articles, properties and uses for common minerals.

Corundum is the third hardest mineral. It is also the mineral of ruby and sapphire.
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Colored Diamonds

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Labradorite is a feldspar mineral that sometimes exhibits an iridescent play-of-color.
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Wall Maps

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What Is Earth Science?

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What is Geology? The study of Earth materials, structures, processes and life over time.
Geology Books

Geology Books - A variety of books for reference, field trips, reading and more.
Great Rift Valley

The East Africa Rift System - The extensive fault system that is tearing Africa apart.
Expansive Soil

Expansive Soil causes more damage than floods, hurricanes & tornadoes combined.
Ethiopian Opal

Jadpes FivePointed Star Seal Wax Bead, 100Pcs Retro Seal Stamp A - The new opal heavyweight that might give Australia a run.
UV Mineral Lamp

Portable UV Lamp - Short and long wave UV for fluorescent mineral viewing.
Rock Art

Rock Art - People have been marking on rocks for thousands of years.
Plate Tectonics

Plate Tectonics - Articles and maps about plate tectonics and the interior of Earth.
What Is The Moho?

What Is The Moho? The Mohorovicic Discontinuity is the mantle/crust boundary.

Gemstones - Colorful images and articles about diamonds and colored stones.
Bear Attacks

Bear Attacks - Knowing how to react to a bear encounter or attack could save your life.
Lapis Lazuli

Lapis Lazuli - a metamorphic rock and the most popular blue opaque gemstone in history.
Petrified Wood

Petrified Wood is a fossil that forms when silica replaces and infills the cavities of wood.

Quartzite is metamorphic rock formed when sandstone is subjected to heat and pressure.
Sliding Rocks

Sliding Rocks Mystery - What causes these rocks to slide across a playa in Death Valley?
Hand Lens

Hand Lens A 10-power folding magnifier in a metal case. A frequently used lab and field tool.
Rare Earth Elements

Rare Earths - Special materials used in electronics, defense, medical & many other products.
Ant Hill Garnets

Ant Hill Garnets - tiny gems that ants haul to the surface and discard on their anthill. Honest!

Diamonds - Learn about the properties of diamond, its many uses, and diamond discoveries.
Crater of Diamonds

Crater of Diamonds - The only diamond mine in the world where you can be the miner.
Grape Agate

Grape Agate is a popular mineral specimen with the color and the shape of a bunch of grapes.
Cave of the Hands

Cave of the Hands is a cave where ancient people painted hands about 9000 years ago.

Emerald is the most popular green gemstone in the United States and most of the world.
Gold Pans

Gold Pans and Panning Kits - classifiers, snuffer bottles. Learn how to pan for Gold.
Waterproof Paper

Waterproof Paper - Don't take chances with your field notes and maps. Use waterproof paper.
Tallest Mountain

Tallest Mountain - Everest has rivals in tallness, altitude and distance to the center of Earth.
What is a Geyser?

What is a Geyser? Photos and information about geysers in many parts of the world.

Rhyolite An extrusive igneous rock with a high silica content, produced from granitic magma.

Hematite - The most important ore of iron. A source of mineral pigment since prehistory.
Largest Diamonds

World*s Largest Diamonds Records for the largest rough, faceted and carbonado diamond.

Turquoise - A bluish-green gem material that has been used for over 6000 years.
Lightning Strikes Map

Lightning Strikes Map by NASA shows the worldwide distribution of lightning activity.
Rock Salt

Rock Salt is a sedimentary rock composed of the mineral halite. It has many uses!
Mineral Rights

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Peridotite is a chromite host rock, a source of diamonds and a possible carbon dioxide sink.

Tourmaline - an extremely colorful mineral and gem material.
Field Courses

Field Courses - Over 80 field courses for undergraduate geology students.

Tanzanite was unknown until a few decades ago but it has erupted into wide popularity.

Nut Cracker, Multifunctional Shell Cracker Aluminum Alloy Nut Op - Articles about volcanoes, volcanic hazards and eruptions past and present.
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Meteorites - Rocks that were once parts of planets or large asteroids.
Gifts That Rock

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Fluorescent Minerals

Fluorescent Minerals and rocks glow with spectacular colors under ultraviolet light.
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100+ Gemstones

100+ Gems - Photos of over 100 beautiful gems ranging from the popular to the obscure.
Cinder Cones

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Don*t Go To Jail

Know the Rules before removing rocks, fossils or minerals from public or private property.

Ilmenite - The primary ore of titanium and source of most titanium dioxide.
Tallest Waterfall

Angel Falls in Venezuela is the tallest waterfall in the world - it is 3212 feet tall.
Fire Opal

Fire Opal is a transparent to translucent opal with a yellow, orange or red background color.
Rocks on Mars

Rocks on Mars Many of the rocks found on Mars are not very different from Earth rocks.

Citrine is the transparent variety of quartz with a yellow to orange to reddish color.

10 Gemmy Facts About Spinel - Is spinel the world*s most overlooked gem?

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Herkimer Diamonds

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The British Isles

Names Used for Great Britain, British Isles, United Kingdom, and Ireland. What they mean.
Debris Flows
Rico Accordion Accessory (RRP05TSX250)
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DeLorme Atlas

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Horizontal Drilling

Horizontal Drilling has opened new resources and significantly improved productivity.
Crushed Stone

The Unsung Mineral Hero - and the commodity upon which almost everything is built.
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Coal Close Up

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Gems from Space

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Mount Vesuvius

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Homeowners Insurance

Homeowners Insurance might not cover earthquake, hurricane and other geohazard damage.
Largest Volcanoes

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Zircon is the primary ore of zirconium and a gemstone that is available in many colors.
Storm Surge

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Types Of Eruptions

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Pyroxene Minerals

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