小学生向け宝石セミナー資料｜世界の宝石たち by KARATZ

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株

株式会社カラッツ

宝石鑑定士が監修する専門メディアや、宝石ネットショップを運営するカラッツが、2019年7月30日に小学生向けに宝石講座を開催した。

Science

ダイヤモンドルビーサファイアエメラルドタンザナイトガーネット
トパーズアレキサンドライトアクアマリンピンクトルマリンペリドットアメジスト

ブラックスター
サファイア
主な産出国
タイ・ギニア・シオラレオネ・リベ
リア・スリランカ・インド・ミャン
マー・タンザニア
特徴
地色は黒色だがライトで照らすと黄
金の色調で星型に輝く（アステリズ
ム効果と呼ぶ）。

主な産出国
ロシア・ブラジル・スリランカ
特徴
自然光下の光では緑色、夜の蛍光灯
やロウソクの光では赤紫色に変わる
宝石。ロシア皇帝アレキサンドルⅡ
世から名付けられた。
アレキサンド
ライト

主な産出国
メキシコ・ハンガリー
特徴
石内に含まれるウランが原因で、ブ
ラックライト（長波紫外線）を当て
ると蛍光する。
ハイアライト
オパール

主な産出国
アイスランド・メキシコ・アメリカ
・スペイン・日本
特徴
ダブリングが非常に強い石。ダブリ
ングとは石を文字の上に乗せると字
が二重に見える現象のこと。
カルサイト

主な産出国
ブラジル・スリランカ・インド・マ
ダガスカル
特徴
猫の目の瞳のような特徴があること
から、キャッツアイと呼ばれます。
クリソベリル
キャッツアイ

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