this is a good starter reference, this post.  like it a lot.

twinwitch:

USE OF GEMSTONES:

Abandonment issues: garnet, thulite

Addictions /alcoholism / compulsiveness: amethyst (esp reduces withdrawal symptoms), ametrine, barite, botswana agate, coral, chevron amethyst, chrysacolla with cuprite, citrine, dumortierite, green calcite, herkimer diamond, iolite, malachite-azurite, moki marbles, moss agate, obsidian, peridot, petrified wood, phenacite, rose quartz, rutilated quartz, sugilite (esp immune system problems from substance abuse), thulite (esp those caused by abuse/neglect)

Adrenal glands: ametrine, aventurine (green), black obsidian, black tourmaline (schorl), bloodstone, carnelian, cuprite, emerald, epidote, fire agate, garnet, jade, Kansas pop rocks, kyanite, malachite, nephrite jade, peach aventurine, rose quartz, ruby, smoky quartz, sugilite, sulfur

Aligning the physical & astral bodies: amazonite

Allergies: apatite, brecciated jasper (animals) carnelian, clay, dolomite, garnet, moldovite, white coral

Arthritis/bones/joints: abalone, amber, amethyst, apatite, azurite, black tourmaline, blue lace agate, boji stones (Kansas pop rocks), botswana agate, carnelian, chalcosiderite, chrysocolla, copper, dolomite, fluorite, gold, green calcite, howlite (bones) lapis, lodestone (magnetite), malachite, petrified wood, quartz, rhodonite, ruby, sulphur, topaz

Back pain or problems: calcite, fluorite, lodestone, obsidian

Blood pressure: bloodstone, blue calcite, chrysocolla, sodalite

Body aches: diopside

Cardiovascular: bloodstone, hematite

Chronic fatigue: amethyst, aquamarine, aragonite, boji stones (kansas pop rocks), orange calcite, quartz, rhodocrosite, ruby, zincite

Depression: chrysoprase, citrine, kunzite, lepidolite, lapis, blue quartz, jet, smoky quartz, rose quartz, black tourmaline , peridot, botswana agate, eliat stone, gold, jet, lapis, moonstone, quartz, platinum, spinel, topaz

Eating disorders (anorexia, bulemia, others): picasso marble (jasper), thulite

Energy (increase, high energy): amber, agate, apophyllite, aragonite (magick & charms particularly), bloodstone, blue calcite, blue goldstone, boji stones (Kansas pop rocks), carnelian, clear quartz, danburite, green jasper, honey calcite, katanganite, plancheite, prehnite, red calcite, red coral, rhodochrosite, ruby, rutilated quartz, septarian nodule, spinel, sulphur, yellow calcite

Feminine reproductive-related issues: lapis, rose quartz

Fevers: diopside, peridot, pyrite, tree agate, sapphire, sodalite

Fibromyalgia: amber, amethyst, citrine, clear quartz, emerald, hematite, lapis, labradorite, morganite, obsidian, rose quartz, tiger eye

Headache, general: amber, amethyst, angelite, Arizona lizard stone jasper, aquamarine, black jade, blende, bloodstone, blue agate, blue aventurine, blue lace agate, optical calcite, cavansite, celestite, charoite, cherry opal, chevron amethyst, chrysacolla, common opal, diamond, dioptase, emerald, fire agate, green aventurine, green tourmaline, holly blue chalcedony, iolite, jade, jet, lapis lazuli, malachite, moss agate, blue obsidian, pearl, phenacite (phenakite), purple fluorite, rhodochrosite, rose quartz, silicon, sodalite, sugilite, sulphur, stilbite, tiger eye, trilobite, turquoise Also see migraine headache and tension headache.

Healing and health (general): agate, amber, amethyst, amazonite, aventurine, azurite, celestite, calcite, citrine, charoite, chlorite, chrysacolla, chrysoprase, coral, danburite, epidote, garnet, green calcite, green moss agate, green tourmaline, holey stones, infinite, jet, labradorite, lepidolite, moonstone, peridot, petrified wood, phantom quartz, pink tourmaline, quartz crystals, jasper, malachite, rhodochrosite, rutilated quartz, self-healed quartz, smoky quartz, spinel (whole body), watermelon tourmaline

Infection: pearl, pyrite, quartz

Kidney / bladder: anhydrite (angelite), amber, bloodstone, green calcite, carnelian, chrysoberyl, coral, cuprite, jade, jasper, orange calcite, rhodochrosite, smokey quartz

Liver: carnelian, jasper

Lungs: peach aventurine, pyrite, rutilated quartz

Memory: blue calcite, carnelian, emerald, honey calcite, onyx, pyrite, quartz crystals, rhodochrosite, spinel

Menopause: moonstone, pietersite

Migraine headache: jet (natural), phenacite (phenakite), purple fluorite, rose quartz Also see Headache, General.

Nervous system: alexandrite, amazonite, aquamarine, apatite, botswana agate, fire agate, emerald, galena, lapis lazuli, morganite, peridot, sugilite, tourmaline

Panic attacks: epidote, lepidolite
PMS (Pre-Menstrual Syndrome): dolomite, lapis, magnesite, rose quartz, pietersite

Psychic abilities/intuition: amazonite, amethyst, apatite, azurite, botswana agate, cavansite, celestite, emerald, fire agate, garnet, green calcite, herkimer diamonds, holey stones, kyanite, labradorite, lapis, meteorites, moonstone, opal, orange calcite, quartz, selenite, super seven, tektite, turquoise

Stamina: crazy lace agate, dolomite (for dealing with hyperactive people), sodalite, spinel, tiger iron

Stomach problems: botswana agate, citrine, peridot, jasper, obsidian, prasiolite

Teeth/gums: agate, amazonite, aquamarine, calcite, dolomite, fluorite, howlite, malachite, spinel

Tension headache: amethyst, blue lace agate, cat’s eye (natural, chrysoberyl), chrysacolla, lapis nevada Also see Headache, General.

Weight gain: unakite (ideal weight)