登录注册
主页关于 MindatMindat手册Mindat的历史版权Who We Are联系我们于 Mindat.org刊登广告
捐赠给 MindatCorporate Sponsorship赞助板页已赞助的板页在 Mindat刊登 广告的广告商于 Mindat.org刊登广告
Learning CenterWhat is a mineral?The most common minerals on earthInformation for EducatorsMindat ArticlesThe Elements书籍及杂志
搜索矿物的性质搜索矿物的化学Advanced Locality Search随意显示任何一 种矿物Random Locality使用minID搜索邻近产地Search Articles搜索词汇表更多搜索选项
搜索:
矿物名称:
地区产地名称:
关键字:
 
Mindat手册添加新照片Rate Photos产区编辑报告Coordinate Completion Report添加词汇表项目
Mining Companies统计会员列表Mineral Museums矿物展及活动The Mindat目录表设备设置
照片搜索Photo Galleries今天最新的照片昨天最新的照片用户照片相集过去每日精选照片相集Mineral Photography

Calclacite

This page is currently not sponsored. Click here to sponsor this page.
Formula:
Ca(CH3COO)Cl · 5H2O
Colour:
White
Lustre:
Silky
Specific Gravity:
1.5
Crystal System:
Monoclinic
Name:
Named by Van Tassel in 1945 in allusion to its composition, containing CALcium, chlorine (CL) and ACetate.
Calcium chloride acetate pentahydrate.

A mineral which forms on calcareous rock and fossil specimens and pottery shards through the interaction of acetic acid derived from oak museum storage cabinets (anthropogenic).


Hide all sections | Show all sections

Classification of CalclaciteHide

Approved, 'Grandfathered' (first described prior to 1959)
10.AA.25

10 : ORGANIC COMPOUNDS
A : Salts of organic acids
A : Formates, Acetates, etc.
50.2.4.1

50 : ORGANIC COMPOUNDS
2 : Mellitates, Citrates, Cyanates, Acetates and Formates
31.4.1

31 : Oxalates, Citrates, Mellitates and Acetates
4 : Acetates

Physical Properties of CalclaciteHide

Silky
Transparency:
Translucent
Comment:
Lustre silky in aggregates.
Colour:
White
Comment:
Not determined
Density:
1.5 g/cm3 (Measured)    1.55 g/cm3 (Calculated)

Optical Data of CalclaciteHide

Type:
Biaxial (+)
RI values:
nα = 1.468 nβ = 1.484 nγ = 1.515
2V:
Measured: 80° , Calculated: 74°
Max Birefringence:
δ = 0.047
Image shows birefringence interference colour range (at 30µm thickness)
and does not take into account mineral colouration.
Surface Relief:
Moderate
Dispersion:
relatively weak

Chemical Properties of CalclaciteHide

Formula:
Ca(CH3COO)Cl · 5H2O

Crystallography of CalclaciteHide

Crystal System:
Monoclinic
Class (H-M):
2/m - Prismatic
Space Group:
P21/b
Cell Parameters:
a = 11.51 Å, b = 13.72 Å, c = 6.82 Å
β = 116.7°
Ratio:
a:b:c = 0.839 : 1 : 0.497
Unit Cell V:
962.16 ų (Calculated from Unit Cell)
Z:
4
Morphology:
Crystals as slky, hairlike efflorescences.
Comment:
Space Group determined on synthetic material.

Other Language Names for CalclaciteHide

German:Calclacit
Spanish:Calclacita

Related Minerals - Nickel-Strunz GroupingHide

10.AA.05FormicaiteCa(HCOO)2Tet.
10.AA.10DashkovaiteMg(HCOO)2 · 2H2OMon. 2/m : P21/b
10.AA.20AcetamideCH3CONH2Trig. 3m : R3c
10.AA.30PaceiteCaCu(CH3COO)4 · 6H2OTet.
10.AA.35HoganiteCu(CH3COO)2 · H2OMon. 2/m : B2/b

Other InformationHide

Health Risks:
No information on health risks for this material has been entered into the database. You should always treat mineral specimens with care.

References for CalclaciteHide

Reference List:
Sort by Year (asc) | by Year (desc) | by Author (A-Z) | by Author (Z-A)
van Tassel (1945) Musée royale d’histoire naturelle de Belgique, Bulletin: 21: 1.
American Mineralogist (1947): 32: 254.
Palache, C., Berman, H., & Frondel, C. (1951), The System of Mineralogy of James Dwight Dana and Edward Salisbury Dana, Yale University 1837-1892, Volume II. John Wiley and Sons, Inc., New York, 7th edition, revised and enlarged, 1124 pp.: 1107.
Van Tassel, R. (1958) On the crystallography of calclacite, Ca(CH3COO)Cl•5H2O. Acta Crystallographica: 11: 745–746.
Giuseppetti G., Tadini C., Ungaretti L. (1970) - La struttura cristallina della calclacite. Periodico di mineralogia – Roma, pp. 145-158.
Giuseppetti G., Tadini C., Ungaretti L. (1972) - La struttura cristallina di una fase triclina del composto corrispondente alla calclacite Ca(CH3COO)Cl*5H2O. Periodico di mineralogia – Roma: 9-21.

Internet Links for CalclaciteHide

 
矿物 and/or 产地  
版权所有© mindat.org1993年至2020年,除了规定的地方。 Mindat.org全赖于全球数千个以上成员和支持者们的参与。
隐私政策 - 条款和条款细则 - 联络我们 Current server date and time: 2020.4.8 08:07:45 Page generated: 2020.4.2 23:05:41
Go to top of page