Chap. II. ] list of manganese minkrals, 31 
Table 2 — contd. 
List of knoivn manganese minerals with their chief properties. 
Name. 
Formula . 
Crystalline 
system. 
Specific 
gravity. 
Hardness. 
Mcanganapatite 
3Ca3P208.CaF2 with Mn. 
III. Pyrami- 
dal. 
3 14-3 -39 
5 
Triplite 
R3P2O8.RF2 with R=Fe 
cillQ llill. 
V. 
3 -44-3 -8 
4-5-5 
Triploidite . 
(Mii,Fe)P208.(Mn,Fe)(OH)2 
V. 
3-70 
4-5-5 
Sin T" It in J ^" A 
V. 
4'17-4 19 
4-6 
Acid and Basic 
Phosphates arid 
Arsenates — 
Brackebushite 
(Pb,Fe,Mn)3V208.H2 0? 
V? 
•• 
Chondarsenite 
Mn3As208.3Mii(OH)2. 
3 
AUactite 
Mn3As208.4Mn(OH)2. 
V. 
3-83-3-85 
4-5 
WAl Mn^A«0< ivfn^nTT\o 
^^^l,l*lxl/-n.avy4.-L'lIiv KJn. ^2" 
V. 
4*5 
Flinkite 
MnAs04.2Mn(OH)2. 
IV. 
3-87 
4-4 -5 
Hematolite 
(Al,]VIn)As04.4Mn (0H)2. 
III. Rhom- 
bohedral. 
3 -30-3 -40 
3-5 
Arseniopleite . 
Hydrated arsenate of Mn, 
Ca, Pb, Mg and Fe. 
Ditto? 
Manganostibiite 
MnioSb20i5? 
IV.? 
Hematostibiite 
Mn8Sb20i3? . . 
Ferrostibian . 
Hydrated antimonate of Mn 
and Fe. 
v.? 
4 
Stibiatil 
Sb205,Mn203,and FeO 
V? 
5-5-5 
