This chemical is called Dolomite, and its systematic name is Calcium magnesium carbonate (1:1:2). With the molecular formula of C₂CaMgO₆, its molecular weight is 184.40. The CAS registry number of this chemical is 16389-88-1.

Other characteristics of the Dolomite can be summarised as followings: (1)ACD/LogP: -0.81; (2)# of Rule of 5 Violations: 0; (3)ACD/LogD (pH 5.5): -1.98; (4)ACD/LogD (pH 7.4): -3.77; (5)ACD/BCF (pH 5.5): 1; (6)ACD/BCF (pH 7.4): 1; (7)ACD/KOC (pH 5.5): 1; (8)ACD/KOC (pH 7.4): 1; (9)#H bond acceptors: 3; (10)#H bond donors: 2; (11)#Freely Rotating Bonds: 0; (12)Polar Surface Area: 57.53 Å²; (13)Flash Point: 169.8 °C; (14)Enthalpy of Vaporization: 63.37 kJ/mol; (15)Boiling Point: 333.6 °C at 760 mmHg; (16)Vapour Pressure: 2.58E-05 mmHg at 25°C.

You can still convert the following datas into molecular structure:
1.SMILES: [Mg+2].[Ca+2].[O-]C([O-])=O.[O-]C([O-])=O
2.InChI: InChI=1/2CH2O3.Ca.Mg/c2*2-1(3)4;;/h2*(H2,2,3,4);;/q;;2*+2/p-4
3.InChIKey: HHSPVTKDOHQBKF-XBHQNQODAP