HQRP-Crystal 45mm Honey Black Amber Rough Stone Fossil Mineral Chunk Cabochon Fossilized Tree Resin Gemstone Specimen - Indonesia (#2) You will receive exactly this Black Amber Rough - 45mm x 19mm x 14mm / 1 3/4 x 3/4 x 9/16 Inches; 6.2g / 0.22 oz / 31 Carat (see photo, stand not included, the photos are taken under bright light, some photos are taken wet, the last photo is taken under UV light)! Amber is fossilized tree resin (not sap), which has been appreciated for its color and natural beauty since Neolithic times. Much valued from antiquity to the present as a gemstone, amber is made into a variety of decorative objects. Classification & Structure: organic & amorphous. Hardness: 1-3.Color: varying shades of yellow, orange, red, white, brown, green, bluish, "black" (deep shades of other colors). There are five classes of amber, defined on the basis of their chemical constituents. Because it originates as a soft, sticky tree resin, amber sometimes contains animal and plant material as inclusions. Amber occurring in coal seams is also called resinite, and the term ambrite is applied to that found specifically within New Zealand coal seams. (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.)