Modern: Garnet
Characteristics of the Garnet include  consistency, endurance, creativity and patience. Although the Garnet is  traditionally red in color, the stone ranges from a colorless hue to  black but does not come in blue. Garnet is the daily gemstone for  Tuesday and the planetary gemstone for the zodiac sign of Scorpio.
Ancient: Garnet
February
Modern:  Amethyst
Meanings associated with the Amethyst are sincerity,  intuition and motivation. A member of the Quartz family, the Amethyst is  thought to calm nerves and emotions and provide mental clarity. The  Amethyst is the daily gemstone for Thursday.
Ancient:  Amethyst
March 
Modern: Aquamarine
The Aquamarine depicts courage, creativity,  health, perception and hope. It is also associated with awareness and  spiritual energy. Aquamarine is the planetary gemstone for the zodiac  sign of Pisces.
Ancient: Bloodstone
The Bloodstone stands for health, passion,  courage and strength. A variety of Quartz, the Bloodstone is thought to  strengthen the immune system and to contain healing properties. 
April
Modern: Diamond
The diamond symbolizes innocence, eternity,  courage and health. The purest of all the gemstones and the hardest  substance known to man, the diamond has an ability to reflect light,  which many believe increases personal clarity of the mind and body.  Diamonds are the daily gemstone of Saturday.
Ancient:  Diamond
May
Modern: Emerald
Love, success, happiness and goodness are some of  the meanings associated with the Emerald. Many believe that wearing an  Emerald brings life, heals mental and emotional causes of physical  illness. The Emerald is the daily gemstone for Friday and the birthstone  for the zodiac sign of Taurus.
Ancient:  Emerald
June
Modern: Pearl 
The Pearl Pearl 
Ancient:  Alexandrite
The meanings associated with the Alexandrite are joy,  luck, courage and love. This rare gemstone helps to align mental and  emotional and aid in spiritual transformation and regeneration. 
July 
Modern: Ruby
Characteristics of the Ruby include nobility,  love, contentment, enthusiasm and strength. Rubies are thought to open  the heart and promote love, allowing joy to come to those who wear it.  The Ruby is the gemstone for the Zodiac sign of Scorpio.
Ancient: Ruby
August 
Modern: Peridot
Success, peace, married happiness, luck and  courage are associated with the Peridot. A symbol of a pure heart and  mind, the Peridot also stands for innocence and faith.
Ancient: Sardonyx
The Sardonyx is believed to bring happiness to  marriage and relationships. The gemstone exudes good fortune,  strengthens self-control and brings courage to those who wear it.
September
Modern:  Sapphire
The Sapphire symbolizes clear thinking, wisdom,  serenity, purity and truth. Many believe that those who wear the  Sapphire are better able to distinguish between the mind and the  spiritual self, enhancing mental clarity. The Sapphire is the daily  gemstone for Wednesday.
Ancient: Sapphire
October 
Learning about birthstones and their meaning  continues with the month of October.
Modern: Opal
The Opal stands for hope, purity, health and  innocence. Many believe that those who wear the Opal will be treated to a  greater understanding of life's possibilities and will discover new and  different views of the world they live in. Opals are also believed to  assist in healing.
Ancient: Pink  Tourmaline
Pink Tourmaline stands for love, peace and compassion.  Tourmalines are used to strengthen the body and spirit. 
November
Modern: Topaz
Courage, fidelity, wisdom and serenity are the  characteristics of the Topaz. These gems are associated with mental  clarity and focus and many believe that those who wear them will  experience a reduction in mood swings and worries.
Ancient: Citrine Yellow
The Citrine Yellow depicts energy, optimism and  warmth. Citrine is believed to help the body release tension and  increase flexibility. Citrine is the gemstone for the zodiac sign of  Virgo.
December 
Birthstones and their meaning continues with the  gems of December.
Modern: Blue Zircon
Meanings associated with the Blue Zircon are  success, love, luck, happiness and prosperity. Zircons are thought to  increase intuition, durability and steadiness. Many believe that those  who wear the Zircon will experience a decrease in depression and  insomnia. 
Ancient: Turquoise  or Lapis Blue
The Turquoise or Lapis Blue represents happiness,  peace and patience. Many believe that wearing a Turquoise or Lapis Blue  will aid in healing as well as bring understanding, wisdom and kindness.
SOURCE: Birthstones & Their Meaning by Julie Henry

 
