274 MINERAL CENSUS OF AUSTRALASIA. 
Marearite !—Milford Sound, in schists and gneiss (Hector). 
Meerrscuaum !—Dun Mountain, in contact with massive white 
quartz (Davis). Analysis (Skey) :— 
Silica wl (O3FkG 
Lime tte aA Se 2:36 
Alumina ~s: De fs AS 
Tron oxides ... ae ... traces 
Magnesia... asf, .49020°36 
Water of constitution... ie LO 
100-00 
MELLITE '_Thames, described as a resinous substance with a 
splintery fracture (Hutton, 1870); Blgh Sound, from 
a cave (Hector, 1876). 
Menaccanite !—Brancepeth, Wairarapa, occurs associated with 
felspar (Skey). 
Mercury !—Waipori, Bay of Islands, Westport, occurs in alluvial 
wash in the form of small thin globules (Hector) ; 
contains 99.54°/ of mercury. 
Mereorite, or Mertroric [ron !—Wairarapa. Hardness 5:6, 
specific gravity 3°254, weight, 94lbs., contents 49 cubic 
inches, containing 24 / iron, with silica, sulphur, 
nickel, &c.. 
Mica! ! !—West Coast, in all schists; Charleston, in granite as 
large plates. 
(Biaxial, or Potash) |—West Otago, in schists (Hector). 
(Uniaxal, or Biotite) |—Dusky Inlet, Milford Sound, a black 
green mica rock with numerous minute crystals of 
zircon (Hector). 
Chrome Mica |—Dead Horse Gully, in flat tabular plates 
(McKay, Skey). Analyses (Skey 2) :— 
Specimens from 1 2 
SCHWART- DEAD HORSE 
ZENSTEIN. GULLY. 
Silica sped 221 4Asces 39°25 
Alumina... eee alts 22°12 
Chromic oxide as) ee 1:56 
Ferric oxide art 5°72 18:69 
Manganous oxide ... 1:05 “A 
Magnesic oxide ... 11°58 10-60 
Sodic oxide pee) belles ; S443 
Potassic oxide PAL \ 
Water hey 2°86 4-06 
Lime rae rte 2°18 
