ID Chart - MOHS Hardness Scale - Rock and Mineral Collection
$19.99
Great earth science resource - Chart with samples on the Mohs Hardness Scale
Includes numbers 1-9 (all except diamond)
Specific samples included are Talc, Gypsum, Calcite, Fluorite, Apatite, Feldspar, Quartz, Topaz, Corundum
Wonderful for Science Fair presentations on Rocks, Minerals or Geology
The chart measures 8 1/2" x 5 1/4" with samples affixed to a sturdy card with ziplock protective plastic covering
Includes 9 genuine rocks/minerals/gemstones that are one through nine on the Mohs Hardness Scale. The Moh's scale of mineral hardness characterizes the scratch resistance of various minerals through the ability of a harder material to scratch a softer material. It was created in 1812 by the German geologist and mineralogist Friedrich Mohs and is one of several definitions of hardness in materials science.
Opportunity to own heavy iron righ Magnetite - great when displayed with paper clips magnetized to it - it is a ock mineral and one of the main iron ores, with the chemical formula Fe3O4. It is the most magnetic of all the naturally-occurring minerals on Earth. Each is unique and measures 6+" each
Shiny, silver gray mica thick specimens - photo is representative of the one you will receive - each 5+" long. Mica is a mineral name given to a group of minerals that are physically and chemically similar. They are all silicate minerals, known as sheet silicates because they form in distinct layers. Micas are fairly light and relatively soft, and the sheets and flakes of mica are flexible. Mica is heat-resistant and does not conduct electricity. Used in products like cosmetics and filler in cement and asphalt, giving them a shiny look.
Mineral Sampler - Set of 4 Minerals on Wooden Bases - Gift packaged!
$39.99
$60.00
Beautiful set of 4 collectible, decorative, minerals on wooden bases, each labeled with the name of the mineral. Your set will include 4 of the following minerals: Amethyst, Citrine, Quartz, Green Diopside, Orange Calcite, and Rose Quartz. Each approx 1 3/4" - 3" high x 1"-2" high. Great gift for the mineral lover and makes a great party favor or stocking stuffer. Gift packaged!
Gorgeous bright orange calcite mineral. Great mineral display piece. Fantastic mineral gift or classroom earth science resource. Imported from Mexico. 6.5" x 4" x 3.5"
Beautiful Pyrite Specimen - great collectible, display piece or classroom resource - Photo is representative of the one you receive. At least 4"-6" wide. Pyrite is a brass-yellow mineral with a bright metallic luster. It has a chemical composition of iron sulfide (FeS2) and is the most common sulfide mineral. It forms at high and low temperatures. Also known as Fool's Gold!
Rose Quartz Crystal Candleholder - 4-5" wide w/ gift box
$29.99
Nature's Art! Beautiful genuine rose quartz crystal candleholder. Makes a beautiful mineral gift or mineral decor. Fantastic home accessory. Illuminate that special person in your life. Photo is representative of the one you will receive. Size will vary slightly - approximate size is 4" x 4" x 2". Light shines through this beautiful mineral when lit. Many believe in the healing power of rose quartz crystals. The perfect mineral lover gift. Comes with gift box.
