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Gemstone Dictionary
A reference of gemstones by name — meanings, hardness and lore. Covers all twelve birthstones plus classics like rose quartz and lapis lazuli.
Garnet
ガーネット
Truth, friendship & loyalty
Mohs 6.5–7.5 January birthstone
Amethyst
アメジスト
Sincerity, peace of mind & nobility
Mohs 7 February birthstone
Aquamarine
アクアマリン
Serenity, courage & wisdom
Mohs 7.5–8 March birthstone
Diamond
ダイヤモンド
Eternal bond, purity & invincibility
Mohs 10 April birthstone
Emerald
エメラルド
Fortune, happiness & hope
Mohs 7.5–8 May birthstone
Pearl
パール(真珠)
Health, wealth, longevity & purity
Mohs 2.5–4.5 June birthstone
Ruby
ルビー
Passion, love & dignity
Mohs 9 July birthstone
Peridot
ペリドット
Marital happiness & harmony
Mohs 6.5–7 August birthstone
Sapphire
サファイア
Wisdom, sincerity & nobility
Mohs 9 September birthstone
Opal
オパール
Hope, luck & creativity
Mohs 5.5–6.5 October birthstone
Topaz
トパーズ
Friendship, hope & integrity
Mohs 8 November birthstone
Turquoise
ターコイズ
Success, prosperity & safe travels
Mohs 5–6 December birthstone
Moonstone
ムーンストーン
Intuition & new beginnings
Mohs 6–6.5 June birthstone
Citrine
シトリン
Prosperity & abundance
Mohs 7 November birthstone
Tourmaline
トルマリン
Hope & open-heartedness
Mohs 7–7.5 October birthstone
Tanzanite
タンザナイト
Mystery & quiet dignity
Mohs 6–7 December birthstone
Rose Quartz
ローズクォーツ
Love & tenderness
Mohs 7
Lapis Lazuli
ラピスラズリ
Truth & good fortune
Mohs 5–5.5
Tiger’s Eye
タイガーアイ
Insight & courage
Mohs 7
Onyx
オニキス
Protection & willpower
Mohs 6.5–7
Clear Quartz
水晶(クォーツ)
Cleansing, harmony & balance
Mohs 7
Jade
翡翠(ひすい)
Longevity, prosperity & virtue
Mohs 6.5–7
Agate
アゲート(瑪瑙)
Harmony, stability & bonds
Mohs 6.5–7
Labradorite
ラブラドライト
Intuition, mystery & change
Mohs 6–6.5
Malachite
マラカイト(孔雀石)
Protection from danger
Mohs 3.5–4
Hematite
ヘマタイト(赤鉄鉱)
Vitality, courage & grounding
Mohs 5.5–6.5
Amber
琥珀(こはく)
Health & longevity
Mohs 2–2.5
Carnelian
カーネリアン
Courage & passion
Mohs 6.5–7
Obsidian
黒曜石(オブシディアン)
Protection & insight
Mohs 5–5.5
Fluorite
フローライト(蛍石)
Focus & inspiration
Mohs 4
Aventurine
アベンチュリン
Healing & growth
Mohs 7
Alexandrite
アレキサンドライト
Noble heart & hidden devotion
Mohs 8.5 June birthstone
Spinel
スピネル
Passion & vitality
Mohs 8 August birthstone
Zircon
ジルコン
Serenity & success
Mohs 6.5–7.5 December birthstone
Bloodstone
ブラッドストーン(血石)
Courage & resilience
Mohs 6.5–7 March birthstone
Sunstone
サンストーン
Freedom, vitality & hope
Mohs 6–6.5
Jasper
ジャスパー(碧玉)
Stability & nurturing
Mohs 6.5–7
There is no single official standard for stone meanings; we present widely known traditions. Hardness and mineral groups are standard mineralogy — About our data