If it is permissible, here is a list of Gemstones and colors, which correspond to a persons birthdate which was released by FIGU many years ago. The crystals which are associated with a persons birthdate can be used during Meditation in the form of a head band etc...If you have a Meditation Pyramid, there is a procedure for neutralizing each crystal before using them...
GEMSTONES AND COLORS ASSOCIATED WITH BIRTH DAYS
"1" Group:
(those born on the 1st, 10th, 19th, or 28th of any month)
Crystals: Gold topaz, amber, yellow diamond
Colors: Yellow to orange, golden brown. tones of gold, bronze
"2" Group:
(those born on the 2nd, 11th, 20th, and 29th of any month)
Crystals: Pearl, moonstone. jade (nephrite)
Colors: Hues of green, white, light yellow and cream color
"3" Group:
(those born on the 3rd, 12th, 21st, and 30th of any month)
Crystals: Amethyst, blue onyx, lapis lazulli, and hyacinth
Colors: Mauve, purple, lilac, blue, violet, crimson and rose pink
"4" Group:
(those born on the 4th, 13th, 22nd, and 31st of any month)
Crystals: Sapphire
Colors: Hues of silver and silver-grey, luminous clear blue
"5" Group:
(those born on the 5th, 14th, 23rd od any month)
Crystals: Diamond, brillant silver, platinum
Colors: Light orange, light yellow, light gray, tones of white and shimmering light colors
"6" Group:
(those born on the 6th, 15th, 24th of any month)
Crystals: Emerald, turquoise, green tourmaline
Colors: All hues of blue, light red, pink, reddish orange
"7" Group:
(those born on the 7th, 16th, 25th of any month)
Crystals: Opal, pearl, moonstone, agate
Colors: Pastel green, all tones of green
"8" Group:
(those born on the 8th, 17th, 26th of any month)
Crystals: Amethyst, dark sapphire, black onyx, black pearl, black diamond
Colors: Dark green, dark brown, dark blue, black and purple
"9" Group:
(those born on the 9th, 18th, 27th of any month)
Crystals: Garnet, ruby, other red stones including coral and carnelian
Colors: Cinnabar red, red, pink shadings, reddish violet, reddish brown, orange