Canadian Jade 5x10-20mm Top Drill Teeth - 15-16 InchCanadian Jade is the trade name for this stone that ranges in color from light to dark green, with small, dark specks or veins. This material is actually Serpentine, a stone which is indistinguishable from Jade except to the most trained and discerning eye. It is extremely fracture to resistant and has been used for blades and other tools since Neolithic times.

Red Lightning Agate is predominantly red with swirls and mottling of green

it is a gemstone of general healing abilities and is considered to specifically aid kidney and skin related disorders and diseases

which is not Jasper but rather a combination of Feldspar and Quartz

Pyhsically

Australian Green Opal is a variety of Common Opal which is a mixture of Opal and nontronite

also known as Prase

chrysocolla

Good question

greenish yellow

the mineral was named for French paleontologist Eugene Durmortier (1803 to 1873)

It was popular with the Greeks and Romans

this semi-precious variety of quartz is found in many locations around the world