TOP GEO
 
This website uses cookies
By clicking on "accept" you agree that this website uses "cookie" technology. Your web browser stores a random but unique string that allows this website to recognize when a user returns (anonymous, as long as no data has been entered in our order or contact form). This technology is vital for the proper functioning of this website, e.g. that language selection and shopping cart remain when a new page is opened.
Data policy
0








 






Brookite

Order items by
Brookite
Magnet Cove, Hot Spring Co., Arkansas, USA

Item-No.: MINS4674
Price: 145.00 EUR 
Brookite
Magnet Cove, Hot Spring Co., Arkansas, USA

Item-No.: MINS4675
Price: 130.00 EUR 
Brookite
Magnet Cove, Hot Spring Co., Arkansas, USA

Item-No.: MINS4676
Price: 145.00 EUR 

Synonyms: Jurinite, Pyromelane
Classification: Oxides
Chemical formula: TiO2
Crystal system: Orthorhombic
Density (g/cm3): 4.08 - 4.18 measured, 4.133 calculated
Tenacity: Brittle
Cleavage: Poor / indistinct on {120}, in traces on {001}
Fracture: Irregular / uneven, sub-conchoidal
Hardness (Mohs): 5.5 - 6
Colour: Brown, yellowish brown, reddish brown; dark brown to iron-black
Lustre: Adamantine, sub-adamantine, vitreous, sub-vitreous, sub-metallic
Streak: White to greyish white or yellowish white
Fluorescence: Not fluorescent in ultraviolet
Transparency: Transparent, translucent, opaque
Type locality: Twll Maen Grisial, Fron Olau, Prenteg, Gwynedd, Wales, UK

 

 

 
 
TOPGEO Mineralienhandel GmbH
Dr. Petr Zajicek
Commercial register:
HRB 671194 Amtsgericht Ulm
VAT-Id: DE147815490
Gersbach 10
74589 Satteldorf
Germany
Telephone: +49 7950 1345
Telefax: +49 7950 8483
eMail: topgeo.gmbh@t-online.de | mail@topgeo.com
  

1981:3