To identify real tortoiseshell from material substitutes, apply a hot pin to a hidden spot. If the smell resulting from the hot pin smells similar to burned hair and a black spot develops, the item is likely real tortois... More »

A tortoise is a land-dwelling turtle that is part of the scientific species Testudinidae. The reptiles' shells contain 60 different bones that are made of keratin: the same substance found in human hair, skin and nails. More » Pets & Animals Reptiles

A baby tortoise is called a hatchling. It uses its egg tooth to break the shell of the egg and emerge. Hatchlings are very vulnerable for the first few days of life, and rely on the embryonic sac for nutrition until they... More »

There are two ways to work out whether an object is made from ivory as opposed to bone: examining the object's texture and color and carrying out the hot pin test. Dealer appraisals and chemical tests can provide a defin... More » Hobbies & Games Collecting

The hinge-back tortoise has a hinge, which is known as a carapace, across the back portion of its shell. It lives in savannas in tropical and subtropical Africa. The tortoise eats insects, snails, slugs, dead frogs, tadp... More » Pets & Animals Reptiles Turtles

Determine the value of an old decanter by its age, condition, material and design. Any historic or cultural significance adds to the value of the decanter. More »

Arrowhead pricing is typically based on the arrowhead's condition, rarity, size, workmanship and material. Price guides or appraisers can help determine the value of an arrowhead. More »