Absite	IMA-
Uranium Thorium	(Dana Classification Number)
(No Images)	4/D.22-xx (Strunz ID)

A variety of Brannerite containing around 12.7% Thorium Dioxide

Property	Data	Remarks
Named for:	the Air-Borne-Scintillator which located the deposit.
Alternate     Name(s):
Mineral Class:
Chemical     Formula:	Ti7U2ThO20 · 5H2O     (or close)
Chemical     Composition:	Hydrogen: (H) % Oxygen: (O) % Thorium: (Th) ~12.7% Titanium: (Ti) % Uranium: (U) %	by weight
Molecular     Weight:		daltons (amu)
Specific     Radioactivity:	(All radiation is for a 1 gram, fully aged specimen) Specific Activity Dose Rate Becquerels Curies milliRADs per hour microSieverts × 100 × 10-0     Estimated Average Annual Exposure: 3.6 RAD (3.6 centiSieverts)
Crystalography:	System: Monoclinic - Prismatic (probable) Axial Ratios: a:   b:   c:   Cell Dimensions: a:   Å b:   Å c:   Å Z:   DenCalc:   Å3 H-M Symbol:   - Space Group:   - X-Ray Diffraction:   By Intensity ( I/Io ) (1):   Å (2):   Å (3):   Å
Habit:	Specimens are metamict
Cleavage:	Specimens are metamict
Fracture:	Conchoidal
Moh's     Hardness:	5.5
Density:	4.2 - 5.4	grams/cm3
Color:	Black (weathers to brownish olive green, yellow brown or yellow)
Streak:
Luster:	Vitreous
Diaphaniety:
Pleochroism:	(x):   (y:)   (z:)
Ultra Violet     Fluorescence:	Long Wave: Non-fluorescent Short Wave: Non-fluorescent
Magnetism:	Non-magnetic
Occurance:	Pegmatite formations
Associated     Minerals:	Brannerite, 'Stilbite', Thorutite Minerals   -   Uranium & Thorium mineral links	These are minerals known to be found with Absite
Localitiess:	Rare Absite Localities
Notes:	Strongly radioactive a- and b-particles, g-rays. Crystals are probably metamic. A variety of Brannerite containing around 12.7% Thorium Dioxide.