Vote for your favorite mineral in #MinCup26! - Quartz vs. Asagiite
It's a classic vs a newbie as the most common named mineral in the crust Quartz is up against an exceedingly-rare sea foam-green mineral discovered just a few years ago Asagiite.
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Actinolite from
Zegulangbei deposit, Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China


Locality type:Deposit
Classification
Species:Actinolite
Formula:◻Ca2(Mg4.5-2.5Fe0.5-2.5)Si8O22(OH)2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Actinolite data
Locality Data:Click here to view Zegulangbei deposit, Jiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
Data Identifiers
Mindat Occurrence Record ID:1907752
Long-form Identifier:1:3:1907752:7
GUID (UUID V4):0
Nearest other occurrences of Actinolite
7.1km (4.4 miles) ⓘJiama Cu-polymetallic deposit (Gyama Cu-polymetallic deposit; Jiamachikang Cu-polymetallic deposit), Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
20.8km (12.9 miles) ⓘZhibula Cu deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
24.3km (15.1 miles) ⓘBangpu Mo-Cu-polymetallic deposit, Maizhokunggar Co. (Mozhugongka Co.), Lhasa, Tibet, China
45.0km (28.0 miles) ⓘShuangbujiere Cu deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
45.9km (28.5 miles) ⓘNuri Cu-Mo-W deposit, Nêdong Co. (Naidong Co.; Zedang Co.), Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
53.4km (33.2 miles) ⓘMingze-Chengba Cu-Au-Mo deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
53.9km (33.5 miles) ⓘKelu Cu-Au deposit (Keru Cu-Au deposit), Zhanang Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
55.2km (34.3 miles) ⓘChongmuda Cu-Au-Ag deposit, Sangri Co., Shannan Prefecture (Lhokha Prefecture; Lhoka Prefecture), Tibet, China
64.5km (40.1 miles) ⓘMengya'a Pb-Zn deposit, Lhari Co. (Jiali Co.), Nagqu, Tibet, China
72.2km (44.9 miles) ⓘJialong Fe deposit, Lhünzhub Co. (Linzhou Co.), Lhasa, Tibet, China
References
Tang, Pan; Tang, Juxing; Zhou, Aorigele; Lin, Bin; Li, Faqiao; Qi, Jing; Wang, Mengdie; Xiong, Yan; Fu, Yuanhui; Zhang, Zhongkun; et al. (2026) Magmatic and metallogenic processes of the Zegulangbei deposit in the Jiama ore district: Insights from zircon and apatite geochemistry. Ore Geology Reviews, 188. 107082 doi:10.1016/j.oregeorev.2025.107082
 
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