A material found in the bones of some dragons, made from the metals that plate them and the naturally ossified bones, Draconite is often an almost milky grey colour, with streaks of rust red. This is not always the case, and indeed Draconite can vary from wholly rusty-red and metallic, to a softly shimmering milky grey, sometimes even within the same dragon. Not all dragon bones produce Draconite, but many do, and it is a surprisingly useful mineral, both in alchemy and in enchanting, where it can often provide a great deal of extra magic to a process or bolster a set of shields or wards.

Most usually Draconite contains high levels of iron, but it does, on occasion, contain threads of gold instead (this is especially common with Glimmering Misfortune Dragons) and may even contain small quantities of silver. Indeed, Goblins claim that silver-bearing Draconite is carefully processed in order to obtain the highest quality metal used in goblin silversmithing, and that those pieces of Draconite left over are used in the defensive spells around Goblin-guarded vaults. Indeed, while it has not been proven it is believed by some that Draconite silver is a key component in Winding - and other variants of - Argentivite.

(Image Source)

(Winding Argentivite is the invention of the wonderful @amortentiafashion, and may be read more about in the links provided above and Here. I hate that I have to include this but PLEASE DO NOT DELETE THE IMAGE SOURCE OR MY CAPTION.) 

Fossils Part 2 

Magical uses: Though not stones in the usual sense of the word, the minerals that replace the ancient creatures and plants create rock-like substances, and so fossils have a definite place in a work of stone and crystal magic.

In general, fossils are used as protective objects. They are placed in the home, or fashioned into jewelry and worn to increase your natural defenses. In Morocco, stones embedded with fossils are carried for protective purposes. 

Due to their enormous age, fossils of all types are also worn as amulets to increase the life span. 

They can be placed in the altar as symbols of the Earth and the ambiguity of time, or to increase the power of magical rituals. 

Some types of fossils have specific magical uses. 

Ammonites (pictured), known in the Middle Ages as draconites, are fossilized, spiral shaped sea animals. Due to their bizarre appearance, they were thought to be stones removed from dragon’s heads, and were bound to the left arm for magical protection. In more recent times in Britain, they were known as “snake stones”.

Ancient sponges, sometimes found in Britain, are known as “Witch stones”. They are round and pierced through with a natural hole. These fossils are strung and worn like beads or hung in the house for protection.

Fossilized sand dollars, which show a natural five-point design, are often found on Wiccan altars. They are linked with the pentagram, an ancient protective symbol, and the elements. Because they and all fossils are ruled by Akasha, the fifth element, these ancient sand dollars are carried or used in magic to gain awareness of the realms of earth, air, fire, and water. Once this has been achieved, elemental magic can begin. 

(Source: Cunningham’s Encyclopedia of Crystal, Gem and Metal Magic)

Fossils Part 1

Folk names: Sponge, Witch Stone, ammonite, snake stone, draconites

Energy: Receptive

Element: Akasha

Powers: Elemental power, past-life regression, protection, longevity

Magical/ritual lore: Fossils are the remains- or the negative impressions- of ancient creatures and plants that perished millions of years ago. Through eons they have been transformed into stone. Because they were once alive, fossils are linked with Akasha, the fifth element. 

In the mystic language of the psychic mind, fossils represent time, eternity, and evolution. They are a tangible example of how nothing in nature- not even prehistoric sea creation- is wasted. Energy cannot be destroyed, only manifestations of energy. Matter is transmutable. 

The ritual use of fossils is ancient. Fossils have been found in Neolithic burial sites in Europe. Why were they placed there? We can only speculate. Protection? Guidance to the other world? Assurance of rebirth?

Fossils are used as power tools by shamans throughout the world to amplify energy. Many contemporary Wiccans place them on their altars because of their mystic significance. 

(Source: Cunningham’s Encyclopedia of Crystal, Gem and Metal Magic)