History of Gemstones
In the middle ages, the formation of gemstones and their sparkle was seen as the same thing as stars by the way of the light and color. There have been gemstones designed to every planet. These are known as Planet Stones. Historians reported their different types of planet stones. Everyday there are additions to this list of planet stones depending on the historian. Listed below is a list of the planet stones from a famous Historian in the late 80s.

Mercury-Citrine, yellow Sapphire, Nephrite, and Topaz
Venus-Nephrite, Topaz, Rose Quartz, Blue Sapphire, and Emerald.
Mars
-Garnet, Ruby, Carnelian, and Silex
Jupiter-Hyacinth, orange Carnelian
Saturn-Gagate, Onyx, Chalcedony, and Spinel
Uranus-Amazonite, Malachite, and Turquoise
Neptune-Amethyst, and Opal
Pluto-Almandine, Bloodstone, and Pyrope.

Similar to the planet stones, there are such stones known as the Zodiac stones which is named after the certain constellations. These Zodiac stones was also recognized in the middle ages aswell as the Planet Stones. Listed below are a list of Zodiac Stones.


Aries 3/21-4/20-Red Jasper, and Carnelian  
Taurus 4/21-5/20-Carnelian, and Rose Quartz
Gemini 5/21-6/21-Citrine, and Tiger's Eye
Cancer 6/22-7/22-Chrysoprase, and Aventurine
Leo 7/23-8/23-Rock Crystal, and Gold Quartz
Virgo 8/24-9/23-Citrine, and yellow Agate
Libra 9/24-10/23-Orange Citrine, Smokey Quartz
Scorpio 10/24-11/22-Deep red carnelian
Sagittarius 11/23-12/21-Sapphire, and Chalcedony
Capricorn 12/22-1/20-Onyx, and Quarts-Cat's Eye
Aquarius 1/21-2/19-Turquoise, and Hawk's Eye
Pisces 2/20-3/20-Amethyst, and Amethyst Quartz

The Zodiac stones were later known as birthstones. Gemstones are the months in which you were born. Listed below is a list of the gemstones of the months also known as birthstones.

January-Garnet, and Rose Quartz   July-Ruby, and Carnelian
February-Amethyst, and Onyx   August-Onyx, and Sardonyx
March-Tourmaline, and Blood Jasper   September-Peridot
April-Sapphire, Diamond, and Rock Crystal   October-Aquamarine, and Opal
May-Emerald, and Chrysoprase   November-Topaz, and Tiger's Eye
June-Pearl, and Moonstone   December-Zircon, and Turquoise

Here are also the scientific names of the gemstones stated famous historians in the late 1700's to the early 1800.

January-Hyacinth   July-Carnelian
February-Amethyst   August-Onyx
March-Heliotrope   September-Chrysolite
April-Sapphire   October-Aquamarine
May-Emerald   November-Topaz
June-Chalcedony   December-Chrysoprase

Also, gemstones can be found with the specific day that you were born.
Sunday-Amber, and gold Topaz
Monday-Moonstone, and Pearl
Tuesday-Ruby, and Garnet
Wednesday-Turquoise, Sapphire, and Lapis Lazuli
Thursday-Amethyst
Friday-Emerald, and Malachite
Saturday-Diamond

Gemstones are also used as Medicinal Stones. Gemstones can prevent or heal illnesses. Healing with gemstones is as following:

Headaches-Amethyst,Rock Crystal, Diamond, hematite, lapis lazuli, malachite, tiger's eye, and Emerald
Eye Inflamation-Aquamarine, Rock Crystal, Chalcedony, Malachite, Onyx, and Sapphire
Sore Throat-Aquamarine, Opal, Silver, Blue Topaz, and Lapis
Heart Ailments-Rose Chalcedony, Carnelian, Rose Quartz, Topaz, and Turqouise
Arthritis-Apatite, Aquamarine, Amber, Garnet, Tourmaline, and Malachite
Pancreas-Amethyst, Citrine, Garnet, and Green Tourmaline.
Modern Day Gemstones:


January-Garnet   July-Ruby
February-Amethyst   August-Peridot
March-Aquamarine   September-Sapphire
April-Diamond   October-Opal
May-Emerald   November-Citroine
June-Pearl   December-Blue Topaz