Vote for your favorite mineral in #MinCup26! - Sphalerite vs. Anorthite
Both zinc ore Sphalerite and calcium plagioclase feldspar Anorthite have perfect cleavage that will split cleanly if you hit them with a hammer, but only one can claim a larger split of your votes!
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Chalcedony from
Dachiardite-K occurrence, Zvezdel, Momchilgrad Municipality, Kardzhali Province, Bulgaria


Locality type:Occurrence
Classification
Species:Quartz var: Chalcedony
Formula:SiO2
Confirmation
Validity:Believed Valid
Data
Mineral Data:Click here to view Chalcedony data
Locality Data:Click here to view Dachiardite-K occurrence, Zvezdel, Momchilgrad Municipality, Kardzhali Province, Bulgaria
Data Identifiers
Mindat Occurrence Record ID:964406
Long-form Identifier:1:3:964406:9
GUID (UUID V4):0
Nearest other occurrences of Chalcedony
1.1km (0.7 miles) ⓘZvezdel, Momchilgrad Municipality, Kardzhali Province, Bulgaria
5.1km (3.2 miles) ⓘSedefche deposit, Sedefche, Momchilgrad Municipality, Kardzhali Province, Bulgaria
10.2km (6.4 miles) ⓘZlatolist, Krumovgrad Municipality, Kardzhali Province, Bulgaria
12.7km (7.9 miles) ⓘGruevo 'plasma' occurrence, Gruevo, Momchilgrad Municipality, Kardzhali Province, Bulgaria
12.7km (7.9 miles) ⓘAda Tepe Au deposit, Krumovgrad Municipality, Kardzhali Province, Bulgaria
20.9km (13.0 miles) ⓘPotochnitsa, Krumovgrad Municipality, Kardzhali Province, Bulgaria
34.0km (21.1 miles) ⓘRagada, Arriana, Rhodope, Eastern Macedonia and Thrace, Greece
34.6km (21.5 miles) ⓘMadzharovo deposit, Madzharovo, Madzharovo Municipality, Haskovo Province, Bulgaria
35.5km (22.1 miles) ⓘMareshnitsa Sb occurrence, Madzharovo Municipality, Haskovo Province, Bulgaria
50.7km (31.5 miles) ⓘKechikaya deposit, Rudozem Municipality, Smolyan Province, Bulgaria
References
Encheva, S., Petrov, P., Chukanov, N., Pekov, I., Енчева, С., Петко, П., ... & Пеков, И. Dachiardite-K from the area of Austa village, Momchilgrad municipality, Eastern Rhodopes–a new mineral species of zeolite group Дакиардит-K от района на с. Ауста, община Момчилград, Източни Родопи–нов минерален вид от групата на зеолитите.
 
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