Product Information
- You will receive exactly this Calcite in Blue Quart Geode Crystals - 83 x 70 x 54 mm / 3 1/4 x 2 3/4 x 2 1/8 Inches; 1700ct / 340g / 12oz (see photo, some photos are taken under bright light, stand not icluded)!
- Quartz is one of the most well-known minerals on earth. It occurs in basically all mineral environments, and is the important constituent of many rocks. Quartz is also the most varied of all minerals, occurring in all different forms, habits, and colors. There are more variety names given to Quartz than any other mineral. Although the Feldspars as a group are more prevalent than Quartz, as an individual mineral Quartz is the most common mineral.
- Most mineral reference guides list Chalcedony as an individual mineral, but in reality it is a variety of Quartz. It is the microcrystalline form of Quartz, forming only occurs in microscopic, compacted crystals. Chemical Formula: SiO2; Color: Colorless, white, purple, pink, brown, and black.; Hardness: 7;
- Color of Calcite is extremely variable but generally white or colorless or with light shades of yellow, orange, blue, pink, red, brown, green, black and gray. Occasionally iridescent. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate. The other polymorphs are the minerals aragonite and vaterite. Aragonite will change to calcite at 470 °C, and vaterite is even less stable. Chemical Composition: CaCO3, Calcium Carbonate; Hardness: 2.5 to 3; Color: Clea White;
- (The above information is provided solely for informational purpose. Kindly note that all stones are offered for decorative purposes only. Please, handle your stones with great care, do not grind or crumble them, do not dip or add them into your food or drink, do not use any parts of them in any elixirs, potions, lotions etc. Always make sure you wash your hands before and after working with your crystals.)
