Ngọc lục bảo

Ngọc lục bảo hay bích ngọc là một loại khoáng vật berylin (Be3Al2(SiO3)6) của beryli có màu xanh với các sắc độ của màu lục và màu lục hơi ngả sang màu lam (''bluish green''). Màu xanh của ngọc lục bảo xuất phát từ hàm lượng nhỏ crôm và đôi khi cả vanadi trong khoáng vật. Berylin có độ cứng 7,5 - 8 trên 10 của thang độ cứng Mohs. Ngọc lục bảo có thể được sản xuất nhân tạo. Được cung cấp bởi Wikipedia
Đang hiển thị 1 - 20 kết quả của 401 cho tìm kiếm 'Emerald', thời gian truy vấn: 0.18s Tinh chỉnh kết quả
1
Bằng Emerald, David
Bainbridge Island, Washington : Polaris Publishing, 2019
First edition.

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2
Bằng Emerald, Jack
London, Fountain P. 1966

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3
Bằng Emerald, David
Bainbridge Island, WA : Polaris Pub.., 2013
Ninth Printing.

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4
Bằng Emerald, John
New York : Beadle and Adams, 1874

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5
Bằng Emerald, John
New York : Beadle and Adams, 1878

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6
Bằng Emerald, John
New York : Beadle and Adams, 1876

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7
Bằng Group, Emerald
Bingley : Emerald Publishing Limited, 2015

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8
Bằng Emerald, David
Chicago : Polaris Publishing, 2016

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9
Bằng Group, Emerald
Bradford : Emerald Group Pub., 2004

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10
Bằng Group, Emerald
Bradford : Emerald Group Pub., 2005

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11
Bằng Emerald, John
New York : Beadle and Adams, 1874

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12
Bằng Dechant, Emerald
[Hays, Kan.] : [News Publishing Co.], 1976

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13
Bằng Group, Emerald
Bingley : Emerald Publishing Limited, 2015

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14
Bằng Emerald Group
Bradford : Emerald Group Publishing, 2003

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15
Bằng Group, Emerald
Bradford : Emerald Group Pub., 2005

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16
Bằng Group, Emerald
Bradford : Emerald Group Pub., 2004

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17
Bằng Group, Emerald
Bradford : Emerald Group Publishing Limited, 2005

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18
Bằng Emerald, John
New York : Beadle and Adams, 1876

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19
Bằng Emerald, John
New York : Beadle and Adams, 1878

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20
Bằng Emerald, David
Bainbridge Island, Wash. : Polaris Pub., 2010
2nd ed.

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