٩(^ᴗ^)۶科普系列【寶石自學】28. 認識烏雞種翡翠 Black Jadeite You have to know

Geologists view what we called a mineral's ore, which means the ore has to contain A mineral over 50%. Gemologists view A mineral's ore as the ore that contains A mineral, even though it has little. Geologists pursue science and gemologists sometimes pursue business, is that true? What do you think?
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About the Author:
1. FGA （Fellowship of the Gemmlogical Association）Liceneses:
(1)Foundation Certificate
(2)Diploma in Gemology

2. GIC License: Jadeite Appraiser
3. PhD degree in Science Education
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地質學家認為當某礦物的礦石含超過50%的其他礦物，便不應被歸為該礦物。寶石學家卻認為只要有包含都可以算。地質學家講求科學真意，寶石學家有時是圖謀生意；是這樣嗎?你認為呢?