礦物資料庫與水晶療法礦物CredneriteRobert M. Lavinsky·CC BY-SA 3.0·WikimediaCredneriteCuMnO2Monoclino heart IMA grandfathered成分Composizione (% in peso)CuMnOCuCopper42.2%MnManganese36.5%OOxygen21.3%詞源命名來源 Carl Friedrich Heinrich Credner.次要脈輪third eye